WASHINGTON -- Who would respond to criticism from the Club for Growth by calling the conservative, free-market campaign organization the "Club for Greed"? That sounds like Howard Dean, Dennis Kucinich or John Edwards, all Democrats preaching the class struggle. In fact, the rejoinder comes from Mike Huckabee, who has broken out of the pack of second-tier Republican presidential candidates to become a serious contender -- definitely in Iowa and perhaps nationally. Huckabee is campaigning as a conservative, but serious Republicans know that he is a high-tax, protectionist, big-government advocate of a strong hand in the Oval Office directing the lives...