Ever since former President Donald Trump was of felony falsification of business records in New York, he has been vowing retribution against everyone who made it happen, even telling Dr. Phil in an interview, “sometimes revenge can be justified.” This is going to come back to haunt him when Judge Juan Merchan hands down a sentence, former federal prosecutor Andrew Weissmann told MSNBC’s Chris Hayes on Friday evening. “That is normally the kind of thing you might want to say after you are sentenced, not before,” said Weissmann. “Because Judge Merchan can consider all of that in sentencing him o…