Only a day after Donald Trump was warned by the judge in his New York criminal case that he could face jail if he continues to run afoul of his gag order, the former president posted to social media about today’s witness — but then quickly deleted it. Justice Juan Merchan slapped Trump with another contempt of court charge Monday for violating the gag order, which, among other things, precludes Trump from talking publicly about witnesses in his hush-money trial. Trump posted to Truth Social: “I have just recently been told who the witness is today. This is unprecedented, no time for lawyers to…