 Ohio Senator J.D. Vance was officially confirmed by the convention as Trump's vice presidential running mate, and that was CBS's Matt Piper at the convention in Milwaukee. CBS's Charlie DeMar is in Bethel Park, Pennsylvania, following the investigation into the shooting that injured Trump Saturday. The FBI says that they've conducted nearly 100 interviews at this point with everyone from the law enforcement that was on duty, of course, trying to answer those big questions of how this happened, who was supposed to be where,