Nope, they can't arrest him. But they will use it as an excuse to say he is operating outside the law and to start impeachment hearings. All the RINO's need is an excuse. I'm not saying to not ignore a court order or that impeachment hearings would even work. Just that when you do ignore a court you have to pick your battles and realize you are playing into the enemies' strategy when you do. Trump has to be 10 moves ahead and not react emotionally when the enemy makes a move.