PITTSBURGH, PA - JULY 30: Democratic presidential nominee former Secretary of State Hillary Clinton and her husband former U.S. president Bill Clinton greet supporters during a campaign rally with democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) at the David L. Lawrence Convention Center on July 30, 2016 in Pittsburgh, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)
