Trump’s many trials are causing calendar conflicts with his attorneys and this in turn is clogging up the leadup to Nov. 5 when the country will choose the 47th president. And former federal prosecutor Glenn Kirschner is head scratching because he can’t believe the excuses being thrown around to buy more time and possibly prevent the trial where Trump is accused of stashing federal classified documents at Mar-a-Lago and obstructing justice when the feds asked for them. In a federal courthouse in Fort Pierce, Florida, U.S. District Judge Aileen Cannon, who is presiding over the case, listened t…