 Many people have seen it on the video. He did a pump fest and that was the sign of a real leader. And that's one of the kind of magnetisms about Trump, that he's a fighter. Frank Gardner, the BBC's security correspondent, came into the NewsHour studio to give his analysis of what might have gone wrong in Pennsylvania. He himself was shot while reporting for the BBC in Saudi Arabia 20 years ago in an incident which meant he's had to be in a wheelchair ever since.