Do establishment operatives think themselves so secure that their persecution of former President Donald Trump will never boomerang on them? During a Supreme Court hearing on Thursday regarding the question of presidential immunity, Justice Brett Kavanaugh warned of a slippery slope in politically motivated prosecutions of presidents. “It’s not going to stop,” Kavanaugh predicted, according to the Washington Examiner. The Trump-appointed justice made that prediction to attorney Michael Dreeben, a former deputy solicitor general with the Department of Justice. According to his faculty page at H…