PHILADELPHIA, PA - JULY 27: US President Barack Obama and Democratic presidential candidate Hillary Clinton embrace on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
US President Barack Obama is joined by US Democratic presidential candidate Hillary Clinton after his address to the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: MANDEL NGAN/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US President Barack Obama acknowledges the crowd as he arrives on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Chip Somodevilla/Getty Images)
Democratic National Convention: Day Three-CONVENTION
US President Barack Obama addresses Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US President Barack Obama acknowledges the crowd as he arrives on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Chip Somodevilla/Getty Images)
Democratic National Convention: Day Three
(Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
US President Barack Obama speaks during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US President Barack Obama delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Jessica Kourkounis/Getty Images)
US-VOTE-DEMOCRATS-CONVENTION
US President Barack Obama addresses Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
US President Barack Obama addresses Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
People hold up signs as US President Barack Obama arrives to speak during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: BRENDAN SMIALOWSKI/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US President Barack Obama acknowledges the crowd as he arrives on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
US President Barack Obama addresses Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US President Barack Obama acknowledges the crowd as he arrives on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
US-VOTE-DEMOCRATS-CONVENTION
US President Barack Obama addresses Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
US President Barack Obama arrives to speak at the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: MANDEL NGAN/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US Vice President nominee Tim Kaine shakes hands with Rev. Jesse Jackson after delivering remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Chip Somodevilla/Getty Images)
Democratic National Convention: Day Three
Sharon Belkofer speaks during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016.
Belkofer is the mother of fallen Lt. Col. Thomas Belkofer. Her son was killed when a suicide bomber detonated a minibus in a convoy. (Credit: SAUL LOEB/AFP/Getty Images)
US-VOTE-DEMOCRATS-CONVENTION
US Democratic Nominee for Vice President Tim Kaine kisses his wife Anne during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US Vice President nominee Tim Kaine acknowledges the crowd on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
US Democratic Nominee for Vice President Tim Kaine arrives to speak during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Democratic Nominee for Vice President Tim Kaine speaks during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
US Democratic Nominee for Vice President Tim Kaine arrives to speak during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Democratic Nominee for Vice President Tim Kaine gestures during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US Vice President Joe Biden acknowledges the crowd after delivering remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Justin Sullivan/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Rep. Bobby Scott (D-VA) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
Lenny Kravitz performs during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Recording artist Lenny Kravitz performs during the evening session on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Jessica Kourkounis/Getty Images)
US-VOTE-DEMOCRATS-CONVENTION
Lenny Kravitz performs during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
Democratic National Convention: Day Three
US Vice-President Joe Biden adresses delegates on Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: ROBYN BECK/AFP/Getty Images)
Democratic National Convention: Day Three
Lenny Kravitz performs during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Sen. Chuck Schumer (D-NY) cheers on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
US-VOTE-DEMOCRATS-CONVENTION
Former US president Bill Clinton (R) cheers as former New York City mayor Michael Bloomberg addresses the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former New York City Mayor Michael Bloomberg delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Jessica Kourkounis/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former New York City Mayor Michael Bloomberg delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Chip Somodevilla/Getty Images)
Democratic National Convention: Day Three
Former New York City mayor Michael Bloomberg arrives on stage to address the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Michael Bloomberg speaks on the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former New York City Mayor Michael Bloomberg gestures to the crowd as he walks on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US Vice President Joe Biden delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
US actor Bryan Cranston attends the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US Vice President Joe Biden delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
Former US President Bill Clinton (C) applauds as US Vice President Joe Biden speaks during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
US Vice President Joe Biden addresses the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US Vice President Joe Biden delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: US Vice President Joe Biden delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
US Vice President Joe Biden addresses the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
A delegate holds up a sign on Day 3 of the Democratic National Convention at the Wells Fargo Center July 27, 2016 in Philadelphia, Pennsylvania. (Credit: ROBYN BECK/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Erica Smegielski, daughter of Sandy Hook principal Dawn Hochsprung, delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegates hold signs in support of US Vice President Joes Biden on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Win McNamee/Getty Images)
Democratic National Convention: Day Three
A delegate holds up an anti-gun sign on Day 3 of the Democratic National Convention at the Wells Fargo Center July 27, 2016 in Philadelphia, Pennsylvania. (Credit: ROBYN BECK/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Jill Biden, wife of US Vice President Joe Biden, delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Rear Adm. John Hutson delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Jill Biden, wife of US Vice President Joe Biden, waves to the crowd as she arrives on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Attendees chant during former Secretary of Defense Leon Panetta's speech on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Win McNamee/Getty Images)
Democratic National Convention: Day Three
Delegates cheer during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
US-VOTE-DEMOCRATS-CONVENTION
Dr. Jill Biden arrives to speak during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former Secretary of Defense Leon Panetta delivers a speech on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegates and attendees stand while listening to speakers on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Jessica Kourkounis/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegates and attendees attend the evening session the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Stars of Broadway perform "What the World Needs Now" honoring those killed in the horrific Pulse nightclub shooting in Orlando on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
Former Congressman and Secretary of Defense Leon Panetta arrives to speak during the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Stars of Broadway perform "What the World Needs Now" honoring those killed in the Pulse nightclub shooting in Orlando during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Stars of Broadway perform "What the World Needs Now" honoring those killed in the Pulse nightclub shooting in Orlando during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
Former Congressman and Secretary of Defense Leon Panetta speaks during the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Stars of Broadway perform "What the World Needs Now" honoring those killed in the horrific Pulse nightclub shooting in Orlando on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Aaron P. Bernstein/Getty Images)
Democratic National Convention: Day Three
Former Marine Corps Captain Kristen Kavanaugh arrives to speak during the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: An attendee holds up a sign that reads "Love is free" on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Chip Somodevilla/Getty Images)
Democratic National Convention: Day Three
Broadway performers sing during the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegates and attendees hold up prints of the South Carolina flag emblem as Felicia Sanders and Polly Sheppard, survivors of the Emanuel AME shooting, speak on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Win McNamee/Getty Images)
Democratic National Convention: Day Three
Former congresswoman Gabby Giffords and her husband former astronaut Mark Kelly address the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Former congresswoman Gabby Giffords and her husband former astronaut Mark Kelly address the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Retired NASA Astronaut and Navy Captain Mark Kelly delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
Mark Kelly addresses the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Actress Angela Bassett delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former Philadelphia Police Commissioner Charles Ramsey delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former Philadelphia Police Commissioner Charles Ramsey delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Aaron P. Bernstein/Getty Images)
Democratic National Convention: Day Three
Polly Sheppard, one of the three survivors of the Mother Emanuel Church shooting in Charleston, SC, arrives to address the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Erica Smegielski, whose mother Dawn was principal of Sandy Hook Elementary and killed while trying to protect her students, addresses the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegates listen to the speech of Christine Leinonen, mother of Christopher 'Dru' Leinonen, during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Christopher 'Dru' Leinonen was killed during the attack at the Pulse nightclub in Orlando. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Chip Somodevilla/Getty Images)
Democratic National Convention: Day Three
Actress Angela Bassett arrives to speak during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Former Philadelphia Police Commissioner Charles Ramsey addresses the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: An attendee holds up a sign that reads "Control This, Not This" on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Sen. Chris Murphy (D-CT) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
US Senator Chris Murphy of Connecticut addresses the third evening session of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Christine Leinonen (C), mother of Christopher "Drew" Leinonen killed in the Pulse nightclub attack in Orlando, Florida, is hugged by survivors Brandon Wolf (L), Jose Arriagada (R) and director Lee Daniels (rear) during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Christine Leinonen (C), mother of Christopher "Drew" Leinonen killed in the Pulse nightclub attack in Orlando, Florida, is joined by survivors Brandon Wolf (L) and Jose Arriagada during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegates listen as Christine Leinonen, mother of Christopher 'Dru' Leinonen, delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Christopher 'Dru' Leinonen was killed during the Pulse night club shooting in Orlando, Florida. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Aaron P. Bernstein/Getty Images)
Democratic National Convention: Day Three
Christine Leinonen (C), mother of Christopher "Drew" Leinonen killed in the Pulse nightclub attack in Orlando, Florida, is joined by Brandon Wolf (L) and Jose Arriagada who survived the attack during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Film director Lee Daniels addresses Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
Director Lee Daniels speaks during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Director Lee Daniels speaks during the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
A delegate holds up sign against Donald Trump during day three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: ROBYN BECK/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegate Chris Davis of Centennial, CO and supporter of Bernie Sanders speaks with Sen. Wesley Bishop of New Orleans and Hillary Clinton supporter on the floor about super delegateson the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Chip Somodevilla/Getty Images)
Democratic National Convention: Day Three
California Governor Jerry Brown arrives to address Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
California Governor Jerry Brown addresses Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former Gov. Martin O'Malley (D-MD) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
Actress Sigourney Weaver speaks during day three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
Actress Sigourney Weaver speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Former Governor of Maryland Martin O'Malley speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Former Governor of Maryland Martin O'Malley speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
Delegates cheer during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: ROBYN BECK/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Former Gov. Martin O'Malley (D-MD) waves to the crowd as he arrives on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Sen. Al Franken (D-MN) attends the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Aaron P. Bernstein/Getty Images)
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Former Governor of Maryland Martin O'Malley arrives to speak during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Mayor of Detroit, Michigan Mike Duggan delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Sen. Chuck Schumer (D-NY) gives two thumbs up on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
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Detroit Mayor Mike Duggan speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: U.S. Sen. Minority Leader Sen. Harry Reid (D-NV) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
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California Lieutenant Governor Gavin Newsom speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / Nicholas Kamm (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: An attendee holds a sign on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Aaron P. Bernstein/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Lt. Gov. Gavin Newsom (D-CA) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Jessica Kourkounis/Getty Images)
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US Senate Democratic Leader Harry Reid of Nevada speaks on Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: U.S. Sen. Minority Leader Sen. Harry Reid (D-NV) along with his wife Landra Gould, arrive on stage during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
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US Senate Democratic Leader Harry Reid of Nevada arrives to speak on Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
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US Senate Democratic Leader Harry Reid of Nevada arrives to speak on Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: U.S. Representative Michelle Lujan Grisham (D-NM) waves to the crowd as she walks on stage to deliver remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: A delegate holds up a sign that reads "A Woman's Place is in The White House" on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Drew Angerer/Getty Images)
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US Representative Eleanor Holmes Norton speaks during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Delegates hold up signs on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Drew Angerer/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: U.S. Representative Eleanor Holmes Norton (D-DC) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Aaron P. Bernstein/Getty Images)
Democratic National Convention: Day Three
New York City Mayor Bill de Blasio waves after speaking during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
A picture of former Democratic president John F. Kennedy is placed on a seat amidst delegates on Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: BRENDAN SMIALOWSKI/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: New York City Mayor Bill De Blasio waves to the crowd after delivering remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Joe Raedle/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: President of NARAL Ilyse Hogue gestures to the crowd as she walks off stage after delivering remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Aaron P. Bernstein/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: An attendee stands and holds up a sign that reads “Black Lives Matter! Say Her Name, ‘Sandra Bland’” on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Drew Angerer/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Tallahassee Mayor Andrew Gillum (D-FL) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: New York City Mayor Bill De Blasio delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: A sign taped to the back of a chair reads “Moved Left. Thank you, Bernie!” on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Jessica Kourkounis/Getty Images)
Democratic National Convention: Day Three
A Hillary Clinton supporter wears a donkey hat with a Hillary doll on Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania.
The donkey is the recognized symbol of the Democratic Party. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Democratic National Convention: Day Three
US Representative Ben Ray Luján of New Mexico speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: U.S. Representative Judy Chu (D-CA) delivers remarks on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
Delegates react on Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Democratic National Convention: Day Three
A delegate holds a portrait of US Democratic presidential candidate Hillary Clinton during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: NICHOLAS KAMM/AFP/Getty Images)
Democratic National Convention: Day Three
US Senator Mazie Mirono of Hawaii speaks during day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
US Representative Madeleine Bordallo of Guam speaks during day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: An in memoriam video is displayed during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
US Representative Mark Takano of California speaks during day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
US Representative Bobby Scott of Virginia speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: An attendee holds up a sign that reads "It is not about Drumpf" on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Drew Angerer/Getty Images)
Democratic National Convention: Day Three
US Representative Grace Meng of New York speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Sen. Mazie Hirono (D-HI) delivers a speech on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
Portraits of US President Barack Obama are displayed on a dress during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: TIMOTHY A. CLARY/AFP/Getty Images)
Democratic National Convention: Day Three
A woman holding a newspaper looks on during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: ROBYN BECK/AFP/Getty Images)
Democratic National Convention: Day Three
Brooks Bell, a tech entrepreneur from North Carolina, speaks during Day Three of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. (Credit: SAUL LOEB/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Jeff Grubbe, Chairman (R) of the Agua Caliente Band of Cahuilla Indians delivers remarks as Dulce Candy (L), digital celebrity host and Debbie Almontaser, Khalil Gibran International Academy look on during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: (L-R) Raul Esparza, La India and Huey Dunbar perform on stage during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Park Cannon, Democratic candidate for Georgia House District 58, speaks during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Alex Wong/Getty Images)
Democratic National Convention: Day Three
A picture of former president John F. Kennedy is set up on a chair amidst delegates on Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: BRENDAN SMIALOWSKI/AFP/Getty Images)
Democratic National Convention: Day Three
PHILADELPHIA, PA - JULY 27: Attendees hold up signs on the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Jessica Kourkounis/Getty Images)
Democratic National Convention: Day Three
Delegates pull up the state flag of New Mexico while others display the rainbow colors on Day 3 of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. (Credit: BRENDAN SMIALOWSKI/AFP/Getty Images)
