Donald Trump hasn’t listened to anyone telling him to sit down since he was sent to boarding school, but that streak ended with Judge Juan Merchan the other day, according to a man who was in the room at the time that it happened. During an appearance on MSNBC, columnist and longtime Washington insider Jonathan Alter set the scene for what happened when Merchan instructed Trump to have a seat. It has been reported that Trump was “fuming” after being made to sit like a dog would. The host asked Alter how the event might affect Trump’s “psyche.” Want more breaking political news? Click for the l…