Former President Donald Trump engaged in one of his longest angry post-trial rants Monday after a dramatic day in court that saw his defense’s witness spur chaos in the courtroom. Trump appeared enraged that Robert Costello, the one-time legal adviser to Trump’s former attorney Michael Cohen, faced repercussions for antagonizing Justice Juan Merchan by rolling his eyes and muttering in the witness’s box. “You saw what we saw,” said Trump. “It was an incredible — I’ve never seen anything like it in my life.” Want more breaking political news? Click for the latest headlines at Raw Story. Trump p…