Donald Trump abruptly ended an interview near the U.S.-Mexico border in Arizona on Thursday, claiming “we’re in danger” in light of how authorities in that state have been unable to find a man who threatened to kill him.NewsNation reporter Ali Bradley, citing “the situation” in southern Arizona, couldn’t get her full question out before Trump cut things short.“Can I tell you something,” he said. “We’re in danger standing here talking, so let’s not talk any longer. No, I know about it, but they d