AN EPIDEMIC of obesity could have serious consequences for America's economy and its ability to defend itself, according to a leading politician. Self-confessed "recovering foodaholic" Mike Huckabee, a Republican Party presidential candidate, told a group of governors from the American South that the increasing numbers of people who were either over-weight or obese meant more and more people were having to take time off work for health reasons. And Mr Huckabee, who lost 110lb - nearly 8st - several years ago when he was governor of Arkansas, said he was concerned by reports that nearly two-thirds of American military personnel...