The U.S. health secretary’s motivation for ending childhood obesity apparently rests on military recruitment. Speaking at a Heritage Foundation event Monday morning, Robert F. Kennedy Jr. claimed that America’s fat kids need to lose weight so they can go to war, lest we “lose” the country. “Seventy-seven percent of our children can no longer qualify for military service and most of that is diet-related,” Kennedy said . “We need to change what we’re feeding these children or we’re going to lose