Jim F: I don't know. They're a dime a dozen, aren't they? It's not like Hitch or David Horowitz were Whittaker Chambers or Max Eastman or James Burnham. Actually, I think I am more interested in political turn-coats from right to left, like, I don't know, the esteemed moderator of this list.
^^^^^^ CB: How about Lyndon Johnson; from segregationist Senator to Civil rights and even war on ghetto poverty champion ?