Presidential Candidates Address National Urban League Conference [Getty Images]

FORT LAUDERDALE, FL - JULY 31: Republican Presidential hopeful Ben Carson greets people during the Presidential Candidates Plenary at the National Urban League conference in the Fort Lauderdale Convention Center on July 31, 2015 in Fort Lauderdale, Florida. Carson continues to campaign for the Republican nomination. (Photo by Joe Raedle/Getty Images)

Getty Images News Joe Raedle