Presumptive Republican presidential nominee Donald Trump made headlines Friday when, with a racially charged exclamation, the candidate singled out an African-American man at a campaign rally in Redding, California. "Oh, look at my African-American over here!" Trump had said, interrupting his own winding speech to direct his supporters' attention to a man in the crowd. "Look at him. Are you the greatest? You know what I'm talking about, OK?" But the man called out by Trump -- Gregory Cheadle, a Republican candidate in California's first congressional district -- didn't seem to mind the attention. "I never, ever sensed any racism...