Well, he's gone and done it. He definitively "divorced" himself from the Rev. Nutcase. If it were anybody else--say, a white person running for President-- that would probably be enough. But he isn't just anybody else. For many Americans, he brings with him the fear of the unknown, the strange.
Many in the chattering classes will continue asking the question, "Is it enough?" Since they're the ones who will decide if this story has legs, maybe they should be asking themselves that question, through the prism of their own prejudices. Speaking for the rest of us who put our pants on one leg at a time, I think there are more important things to worry about.