REPUBLICAN White House contender Mike Huckabee has refused to apologise after a rival accused him of insulting President George W. Bush by describing US foreign policy as "arrogant". Mr Huckabee_butted heads with former Massachusetts governor Mitt Romney after publishing an article calling for American foreign policy to change its "tone and attitude, open up, and reach out". "The Bush administration's arrogant bunker mentality has been counterproductive at home and abroad," the former Arkansas_governor wrote in the journal Foreign Affairs. "My administration will recognise that the United States' main fight today_does not pit us against the world but pits the world...