A co-defendant of Donald Trump in Georgia wasn’t indicted for a similar scheme in Arizona, and the best explanation is that he’s cooperating with prosecutors, a legal analyst said Wednesday evening. Andrew Weissmann, the former top prosecutor on former special counsel Robert Mueller’s team, appeared on MSNBC’s The Last Word With Lawrence O’Donnell, where he was asked about Trump attorney and co-defendant Kenneth Chesebro. Specifically, the host noted that Chesebro “traveled to Arizona to cooperate with this investigation.” Want more breaking political news? Click for the latest headlines at Ra…