People hold up signs for First Lady Michelle Obama during the Democratic National Convention (DNC) at Time Warner Cable Arena on Sept. 4, 2012, in Charlotte, N.C.
A person wears an Obama-Biden hat during the Democratic National Convention (DNC) at Time Warner Cable Arena on Sept. 4, 2012, in Charlotte, N.C.
Keynote speaker Mayor Julian Castro of San Antonio, Texas, is pictured speaking as a Secret Service officer stands by during the Democratic National Convention (DNC) at Time Warner Cable Arena on Sept. 4, 2012, in Charlotte, N.C.
Code Pink protesters march in front of the NASCAR Hall of Fame before the start of the Democratic National Convention (DNC) on Sept. 2, 2012, in Charlotte, N.C.
Workers make preparations on the stage before the start of the Democratic National Convention (DNC) at Time Warner Cable Arena on Sept. 4, 2012, in Charlotte, N.C.
A secret service security dog stands in the Marriott Tampa Waterside during the Republican National Convention Aug. 30, 2012, in Tampa, Fla.
Occupy protesters demonstrate in front of the Bank of America headquarters before the start of the Democratic National Convention (DNC) on Sept. 2, 2012, in Charlotte, N.C.
TOP: Photographer Ben Lowy photographs on the floor during the final day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 30, 2012, in Tampa, Fla. BOTTOM: A man takes a picture with his phone during the final day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 30, 2012, in Tampa, Fla.
Protesters hold up signs on Aug. 29, 2012, in Tampa, Fla.
A protester wears a Guy Fawkes mask on Aug. 29, 2012, in Tampa, Fla.
Law enforcement officers block a downtown street during an organized protest on the first full day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 28, 2012, in Tampa, Fla.
A Code Pink protester demonstrates in front of the Stratz Center for the Performing Arts on Aug. 28, 2012, in Tampa, Fla.
TOP: Balloons hang above the convention floor ahead of the Republican National Convention at Tampa Bay Times Forum on Aug. 26, 2012, in Tampa, Fla. BOTTOM: Remote cameras are prepared ahead of the Republican National Convention at Tampa Bay Times Forum on Aug. 26, 2012, in Tampa, Fla.
A woman watches a projection outside the Republican National Convention of U.S. Sen. John McCain (R-AZ) speaking during the third day at the Tampa Bay Times Forum on Aug. 29, 2012, in Tampa, Fla.
A police officer patrolling a street is reflected in the window of a wig shop on Aug. 29, 2012, in Tampa, Fla.
Law enforcement officers block a downtown street during an organized protest on the first full day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 28, 2012, in Tampa, Fla.
TOP: GQ photographer Mark Peterson photographs George Engelbach, dressed as former President Abraham Lincoln, on the floor before the start of the second day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 28, 2012, in Tampa, Fla. BOTTOM: A woman holds a sign during the Republican National Convention at the Tampa Bay Times Forum on Aug. 28, 2012, in Tampa, Fla.
TOP: A supporter of U.S. Rep. Ron Paul (R-TX) holds a poster in front of a sign that reads "We Can Do Better" during the start of the Republican National Convention at the Tampa Bay Times Forum on Aug. 27, 2012, in Tampa, Fla. BOTTOM: A videographer records an elephant sculpture during the start of the Republican National Convention at the Tampa Bay Times Forum on Aug. 27, 2012, in Tampa, Fla.
TOP: Pages pose for photos underneath the "We Built It" sign on the floor before the start of the second day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 28, 2012, in Tampa, Fla. BOTTOM: A trailer parked outside the Republican National Convention at the Tampa Bay Times Forum on Aug. 28, 2012, in Tampa, Fla.
Security stands atop a building Aug. 29, 2012, in Tampa, Fla.
A local TV reporter reports before the start of the Democratic National Convention (DNC) on Sept. 3, 2012, in Charlotte, N.C.
TOP: Romney campaign photographer directs the subjects of a staff photo from the top of a ladder as photojournalists wait for Romney to appear on stage during the final day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 30, 2012, in Tampa, Fla. BOTTOM: Journalist wait for the start of the final day of the Republican National Convention at the Tampa Bay Times Forum on Aug. 30, 2012, in Tampa, Fla.
TOP: T-shirts reserve chairs before the start of the of the Republican National Convention at the Tampa Bay Times Forum on Aug. 30, 2012, in Tampa, Fla. BOTTOM: A man holds a sign decorated with Ron Paul bumper stickers during speeches at the Republican National Convention at the Tampa Bay Times Forum on August 29, 2012 in Tampa, Florida.
TOP: Romney Campaign Elephants decorate a tie during the Republican National Convention at the Tampa Bay Times Forum on Aug. 29, 2012, in Tampa, Fla. BOTTOM: Convention rule booklets are given to delegates during the Republican National Convention at the Tampa Bay Times Forum on Aug. 29, 2012, in Tampa, Fla.