Former federal prosecutor Andrew Weissmann took his time on MSNBC Wednesday to lay into former President Donald Trump for his mounting personal attacks on the family of Judge Juan Merchan, who is overseeing Trump’s New York hush money trial — including unsubstantiated allegations about his daughter. “Andrew, I cease to be able to be surprised, except that Donald Trump is now literally making up a story about Judge Merchan’s daughter, posting about it, railing about it, naming her by name,” said anchor Joy Reid. “And there’s still nothing anyone can do to stop it?” “It actually is something tha…