WASHINGTON, DC - AUGUST 01: U.S. President Barack Obama waves to guests as he crosses the South Lawn before boarding Marine One and departing the White House August 1, 2016 in Washington, DC. Obama is traveling to Atlanta, Georgia, to deliver remarks at the 95th National Convention of Disabled American Veterans and participate in a private Democratic National Committee roundtable. (Photo by Chip Somodevilla/Getty Images)