Conservatives, above all else, do not want to elect as president in 2012 some politician who tells them what they want to hear to win office and then morphs into a big-government moderate after he takes the oath of office. The list of Republicans who could fill that requirement seems not too long: Sarah Palin, Mitch Daniels, Michelle Bachmann, Bobby Jindal, and John Thune...did I leave anyone out? There are Republican candidates like Mike Huckabee and Mitt Romney who tilt conservative but whose presidency could easily move toward "moderation." Newt Gingrich pops up as a savvy policy wonk with...