I think Williams is right on the money. I've been thinking the same thing for quite a while. There won't be another black president for another fifty years. And when the next one is elected they will be a Republican that has a better agenda than just getting more handouts for his homies.
Imagine that Walter Williams, Thomas Sowell, or some other familiar conservative intellectual somehow decided to become governor of his (her?) state, ran the state with substantial success for 8 years, and then ran for president. Do you think a lot of republicans would be less willing to vote for that conservative (with executive experience) because he was black like Obama, or only that racist democrats would be even less likely to vote for a qualified conservative black than for a qualified conservative white after seeing Obama's epic failure?