WASHINGTON, DC - SEPTEMBER 17: President Barack Obama and First Lady Michelle Obama greet guests at the Congressional Black Caucus (CBC) Foundation's 46th Annual Legislative Conference on September 17, 2016 in Washington, DC. (Photo by Olivier Douliery-Pool/Getty Images)

WASHINGTON, DC - SEPTEMBER 17: President Barack Obama and First Lady Michelle Obama greet guests at the Congressional Black Caucus (CBC) Foundation's 46th Annual Legislative Conference on September 17, 2016 in Washington, DC. (Photo by Olivier Douliery-Pool/Getty Images)

WASHINGTON, DC - SEPTEMBER 17: US President Barack Obama speaks during the Congressional Black Caucus Annual Phoenix Awards Dinner, at the Washington Convention Center, Spetember 17, 2016 in Washington, DC. (Photo by Mark Wilson/Getty Images)

WASHINGTON, DC - SEPTEMBER 17: US President Barack Obama speaks during the Congressional Black Caucus Annual Phoenix Awards Dinner, at the Washington Convention Center, Spetember 17, 2016 in Washington, DC. (Photo by Mark Wilson/Getty Images)

Democratic Presidential nominee Hillary Clinton waves as she accepts a Phoenix Award from Representative Jim Clyburn(D-SC) during the Congressional Black Caucus Foundation's Phoenix Awards Dinner on September 17, 2016 in Washington, DC. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

US President Barack Obama greets guests during the Congressional Black Caucus Foundation's Phoenix Awards Dinner on September 17, 2016 in Washington, DC. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

US President Barack Obama greets Rev. Jesse Jackson during the Congressional Black Caucus Foundation's Phoenix Awards Dinner on September 17, 2016 in Washington, DC. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

US President Barack Obama greets guests during the Congressional Black Caucus Foundation's Phoenix Awards Dinner on September 17, 2016 in Washington, DC. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images