On Thursday, Robert Zimmerman, brother of George Zimmerman, spoke — for the first time — on Piers Morgan Tonight. Defending his brother’s involvement in the Trayvon Martin case, Zimmerman said his brother would have been dead had he not acted — and that the “pulled out a gun and shot him” narrative is simply not true. “Why are you here?” Morgan asked. Zimmerman replied: “I think the tide has turned. There’s a lot of loose ends to this story, some of them have to do with the events of that night and the investigation. Some of them have moved on...