At an NRA convention today, Mike Huckabee quipped that an offstage sound was Barack Obama leaping from a loaded gun. “That was Barack Obama,” the former Arkansas governor said. “He just tripped off a chair. He's getting ready to speak and somebody aimed a gun at him and he—he dove for the floor." The Obama camp has not yet returned fire over the remark, the AP reports. (More Mike Huckabee stories.)