Nobody believes Trump’s classified documents case is going to see a trial on May 20 where it’s currently penciled in. Former federal prosecutor Andrew Weissmann on MSNBC’s “Alex Wagner Tonight” said he believes that date set by U.S. District Judge Aileen Cannon might as well be written in crayon because he doesn’t think it’s happening and suspects any other prosecutors or judges — even Trump’s own defense counsels — involved in Trump’s sprawling cases feel the same. “I have a cynical take on the trial date, which is I think judge cannon was trying to use it as a blocker, meaning that it was si…