Arizona's Sen. John McCain, who once proposed cracking down on gun-show sales, told the National Rifle Association on Friday that he will oppose any "separate agenda" to rein in gun owners' rights as part of an effort to stop illegal gun-running to violent Mexican drug cartels. "We can and should do more to crack down on the illegal transfer to Mexico of weapons acquired in the United States, which is a violation of both U.S. and Mexican law. But that doesn't require... (GunPolicy.org)