MSNBC legal analyst Lisa Rubin Monday revealed one major reason that Donald Trump’s lawyers are fighting so hard to keep certain tweets he sent as president out of his criminal hush money trial. Rubin stood outside the Manhattan court where Trump stands accused of covering up money paid to adult film star Stormy Daniels through his then-attorney Michael Cohen. She discussed one of many legal battles the former president will face in the weeks ahead. “Trump himself has tweeted that he repaid Michael Cohen,” Rubin explained with a laugh. “That’s why his lawyers are fighting so hard to keep that …