Presdient Barack Obama is joined by Democratic presidential candidate Hillary Clinton after his address to the Democratic National Convention in Philadelphia, Pennsylvania, July 27, 2016. (MANDEL NGAN/AFP/Getty Images)
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)
