The judge in Donald Trump’s hush money trial this week revealed mounting frustration with the former president as he tries to wriggle out of his historic criminal conviction, according to court records and legal experts. Judge Juan Merchan unleashed his frustration Monday just one month before he’s slated to decide whether Trump should serve time for falsifying business records to conceal hush money paid to adult film star Stormy Daniels, MSNBC legal expert Lisa Rubin said in her analysis of New York State court documents. “Merchan’s pique with Trump’s counsel, whose prior affirmation Merchan …