President Barack Obama declared today that the “don’t ask, don’t tell” policy on gays in the military “will end and it will end on my watch,” even as his Justice Department was appealing a judge’s ruling that would have allowed homosexuals to serve openly in the military. Speaking at a town hall meeting put on jointly by BET, MTV and Country Music Television, Obama also said a person’s sexuality is not a choice. “I don’t profess to be an expert – this is a lay person’s opinion – but I don’t think it’s a choice,” he said. “People are born...