Ryan Sager makes a somewhat nuanced point:
Whites in the South are the most anti-black group in America; a lot more whites in the South are now Republicans than were at the beginning of the 1990s. What this all adds up to is that both of these statements can be true at the same time:
1) Many of Obama’s opponents harbor a significant amount of racial resentment against black people.
2) To quote Bill Clinton: “100% of those who are opposing him now would be against him if he were a white Democrat.”
The Dish 