Why do poor white folks vote for candidates that screw them over?

Daily read: Is it still an insult if it's true? Nojojojo of Angry Black Woman talks about "the furor over Obama’s comments about the 'bitterness' of small-town/rural blue collar folks." A good analysis of the subtle ways racism is used to make poor white folks vote against their own interests. Just go read it, 'cause I'm no good at summarizing and I should be writing a paper right now. :B

Discussion in the comments made me think, too, that a lot of the "furor" and "outrage" against Obama's "bitterness" comment is fabricated by the news media.