What drives Barack Obama's "doubters and haters"? So asks Obama biographer David Maraniss in a recent op-ed article for the Washington Post. By doubters and haters he means the people who think Obama wasn't born in the U.S., that he's a secret Muslim or that he's a closet socialist. He has an answer: "Some of it can be attributed to the give-and-take of today's harsh ideological divide. Some of it can be explained by the way misinformation spreads virally to millions of like-minded people, reinforcing preconceptions. And some of it, I believe, arises out of fears of demographic changes in...