WASHINGTON, Nov. 14 (UPI) -- Sen. John McCain said Sunday he opposes an immediate move to lift the U.S. military's "don't ask, don't tell" policy. Asked on NBC's "Meet the Press" whether he would block a vote in the lame-duck Congress on repealing the ban on gays and lesbians serving openly, McCain, R-Ariz., said, "I want a thorough and complete study of the effect on morale and battle effectiveness." "Once we get this study," he said, "we need to have hearings and we need to examine it and we need to look at whether it's the kind of study that...