 They got Donald Trump off the stage, but there was clearly blood on the side of his head. He was inches from death. We've seen him raise his fist in an image that perhaps may become iconic, and he's heard to say, fight, fight, fight. With the advantage now of several hours, and you've reviewed the footage, and of course we've had the security services give a news conference, what do we know about that moment as he's taken, injured and bleeding, from the stage?