(01 of11)
Open Image ModalPHILADELPHIA, USA - JULY 28: U.S. President Barack Obama (L) and the nominee of the Democratic Party for President of the United States Hillary Clinton (R) wave to Democratic Party supporters at congress hall ahead of 58th Presidential election on November 08, at Democratic Party Congress in Philadelphia, USA on July 28, 2016. Hillary Clinton is the first female Presidential nominee in U.S. history. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
(02 of11)
Open Image ModalPHILADELPHIA, USA - JULY 28: U.S. President Barack Obama (R) and the nominee of the Democratic Party for President of the United States Hillary Clinton (L) wave to Democratic Party supporters at congress hall ahead of 58th Presidential election on November 08, at Democratic Party Congress in Philadelphia, USA on July 28, 2016. Hillary Clinton is the first female Presidential nominee in U.S. history. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
(03 of11)
Open Image ModalPHILADELPHIA, USA - JULY 28: U.S. President Barack Obama (L) and the nominee of the Democratic Party for President of the United States Hillary Clinton (R) wave to Democratic Party supporters at congress hall ahead of 58th Presidential election on November 08, at Democratic Party Congress in Philadelphia, USA on July 28, 2016. Hillary Clinton is the first female Presidential nominee in U.S. history. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
(04 of11)
Open Image ModalPHILADELPHIA, USA - JULY 28: U.S. President Barack Obama (L) and the nominee of the Democratic Party for President of the United States Hillary Clinton (R) hug each other during a congress ahead of 58th Presidential election on November 08, in Philadelphia, USA on July 28, 2016. Hillary Clinton is the first female Presidential nominee in U.S. history. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
(05 of11)
Open Image ModalPHILADELPHIA, USA - JULY 28: U.S. President Barack Obama (L) and the nominee of the Democratic Party for President of the United States Hillary Clinton (R) wave to Democratic Party supporters at congress hall ahead of 58th Presidential election on November 08, at Democratic Party Congress in Philadelphia, USA on July 28, 2016. Hillary Clinton is the first female Presidential nominee in U.S. history. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
(06 of11)
Open Image ModalPHILADELPHIA, USA - JULY 28: Democratic Party supporters hold banners during a congress ahead of 58th Presidential election on November 08, in Philadelphia, USA on July 28, 2016. Hillary Clinton is the first female Presidential nominee in U.S. history. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
(07 of11)
Open Image ModalUS President Barack Obama (L) hugs US Presidential nominee Hillary Clinton during the third night of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 27, 2016. / AFP / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images) (credit:ROBYN BECK via Getty Images)
(08 of11)
Open Image ModalPHILADELPHIA, PA - JULY 27: Democratic Presidential nominee Hillary Clinton joins U.S. President Barack Obama onstage on the third day of the Democratic National Convention at the Wells Fargo Center on July 27, 2016 in Philadelphia, Pennsylvania. 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 Paul Morigi/WireImage) (credit:Paul Morigi via Getty Images)
(09 of11)
Open Image ModalTOPSHOT - US President Barack Obama and Democratic presidential nominee Hillary Clinton embrace on stage during 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) (credit:SAUL LOEB via Getty Images)
(10 of11)
Open Image ModalTOPSHOT - 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. / AFP / MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images) (credit:MANDEL NGAN via Getty Images)
(11 of11)
Open Image ModalUNITED STATES - JULY 27: President Barrack Obama and Democratic presidential nominee Hillary Clinton meet on stage of the Wells Fargo Center in Philadelphia, Pa., on the third day of the Democratic National Convention, July 27, 2016. (Photo By Tom Williams/CQ Roll Call) (credit:Tom Williams via Getty Images)