Mike HuckabeeOf all the candidates to dish theories about President Obama's roots, you'd think Mike Huckabee would be the most careful. As a former Baptist minister, he has had to endure all kinds of weird questions about how his religion controls him and his hidden motives. Just before the Iowa caucuses in 2008, for example, he was questioned about subliminal cross imagery in one of his advertisements, on the theory that he was trying to send secret signals to evangelical voters. (As it was an ...