John Grisham: Why is the Tea Party racist?

From an interview in Der Spiegel

SPIEGEL: What do you dislike most about the Tea Party?
Grisham: I don't understand where these people have been two years ago. These are the same people that voted for Bush twice, and now the say they are dyed-in-the-wool conservatives that hate the budget deficit. But when Bush created the deficit (there was a surplus under Clinton), these people kept quiet.
SPIEGEL: Bush was president.
Grisham: Yes.
SPIEGEL: Now it's Obama.
Grisham: Exactly. That's how a right-wing conservative movement with racial overtones came about.