Things must have been going really sour poll-wise after the Reverend’s recent public performance, for Sen Obama to feel he had to do this.

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UPDATE, April 30: USA Today:

…University of Maryland political scientist Ron Walters, however, warned that denouncing Wright could produce a black backlash against Obama. “He’s caught in a racial vise not of his own making,” Walters said.

True. It might. But assuming most black voters stay in his camp, this may win him many more white voters, upon whom (assuming he wins the nomination) his November general election hopes will invariably rest.