Former President Donald Trump has a number of defenses planned at his criminal hush money trial in Manhattan, and one of the biggest is trying to discredit his former attorney Michael Cohen, who arranged the alleged payments and will be testifying about them at trial. But there’s a straightforward way Manhattan District Attorney Alvin Bragg can clap back at that, former federal prosecutor Andrew Weissmann told MSNBC’s Ari Melber on Friday: pull out the evidence showing there’s no way Trump couldn’t have known what Cohen was doing. “I think here, one of the things that you’re going to hear abou…