Republican presidential candidates have pulled out their knives for Mr. Nice Guy. A surprising surge of support for Mike Huckabee, the former governor of Arkansas, who had long seemed a rank outsider in the 2008 presidential race has turned him into a target six weeks before voting in Iowa. The Times of London reports that “running on a shoestring budget as an affable conservative with unrivalled religious qualifications (he is a former Baptist minister), Huckabee has been previously dismissed as an under-funded no-hoper. He is mostly known for a quirky sense of humor and his skills on bass guitar -...