New York Presidential Primary

Democratic presidential candidate Hillary Clinton signs autographs after casting her ballot at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York.(Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate Hillary Clinton speaks with supporters after casting her ballot during New York State primary presidential election on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate Hillary Clinton casts her ballot at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate Hillary Clinton casts her ballot at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Polling Place On New York Primary

A worker places a sign ahead of the opening of a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York.(Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Polling Place On New York Primary

People go inside of a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York.(Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Polling Place On New York Primary

Workers organize a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York.(Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Supporters On New York Primary Day

Supporters of Democratic presidential candidate Hillary Clinton arrive to a polling stations during New York State Primaries on April 19, 2016 in Chappaqua, New York.(Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Supporters On New York Primary Day

Supporters of Democratic presidential candidate Hillary Clinton arrive to a polling stations during New York State Primaries on April 19, 2016 in Chappaqua, New York.(Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate Hillary Clinton waves to supporters before casting her ballot at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate Hillary Clinton checks in before casting her ballot at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate former Secretary of State Hillary Clinton greets supporters outside of a polling station at Douglas Grafflin Elementary School on April 19, 2016 in Chappaqua, New York. Voters are going to the polls in in New York for the presidential primary election. (Photo by Justin Sullivan/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate former Secretary of State Hillary Clinton casts her ballot at Douglas Grafflin Elementary School on April 19, 2016 in Chappaqua, New York. Voters are going to the polls in in New York for the presidential primary election. (Photo by Justin Sullivan/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate former Secretary of State Hillary Clinton greets supporters outside of a polling station at Douglas Grafflin Elementary School on April 19, 2016 in Chappaqua, New York. Voters are going to the polls in in New York for the presidential primary election. (Photo by Justin Sullivan/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate former Secretary of State Hillary Clinton greets supporters outside of a polling station at Douglas Grafflin Elementary School on April 19, 2016 in Chappaqua, New York. Voters are going to the polls in in New York for the presidential primary election. (Photo by Justin Sullivan/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate former Secretary of State Hillary Clinton (R) and her husband former U.S. president Bill Clinton casts her ballot at Douglas Grafflin Elementary School on April 19, 2016 in Chappaqua, New York. Voters are going to the polls in in New York for the presidential primary election. (Photo by Justin Sullivan/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate Hillary Clinton and her husband former President Bill Clinton greet supporters after casting their ballots at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

New York Presidential Primary

People cast their votes at a polling station in New York on April 19, 2016. (credit: JEWEL SAMAD/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate former Secretary of State Hillary Clinton (C) and her husband former U.S. president Bill Clinton (L) greet poll workers before voting at Douglas Grafflin Elementary School on April 19, 2016 in Chappaqua, New York. (Photo by Justin Sullivan/Getty Images)

New York Presidential Primary

Supporters look at a cell phone picture of Democratic presidential candidate Hillary Clinton after casting their ballots at a polling station during New York State primary presidential election on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

New York Presidential Primary

People cast their votes at a polling station in New York on April 19, 2016. (credit: Jewel Samad/AFP/Getty Images)

New York Presidential Primary

Supporters try to get a look at Democratic presidential candidate Hillary Clinton at a polling station during New York State primary presidential election on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

New York Presidential Primary Day

A bi-lingual sign at a polling station, at an Elementary school, is seen in the Bronx for voting in the presidential primary for the state of New York April 19, 2016 in New York. (Photo credit Don Emmert/AFP/Getty Images)

The Clintons in Chappaqua On New York Primary Day

Democratic presidential candidate Hillary Clinton and her husband former President Bill Clinton arrive to cast their ballots at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

Hillary Clinton Votes In New York Presidential Primary

Democratic presidential candidate Hillary Clinton waves as she walks to a booth to cast her ballot at a polling station during the New York State presidential primaries on April 19, 2016 in Chappaqua, New York. (Photo credit Eduardo Munoz Alvarez/AFP/Getty Images)

New York Presidential Primary Day

A woman casts her vote at a polling station in Brooklyn in the presidential primary for the state of New York April 19, 2016. (Photo credit Kena Betancur/AFP/Getty Images)

New York Presidential Primary Day

People cast their votes at a polling station in Brooklyn, in the presidential primary for the state of New York April 19, 2016. (Photo credit Kena Betancur/AFP/Getty Images)