It seems that he's dug in his heels because he doesn't have an answer to a pretty simple question. He's way too proud to rethink his position or admit that he's wrong, but in this thread and other ones it's pretty amusing to watch him twist himself into knots trying to defend ever crazier ideas.
Just go look at the Trump reporter thread. After long enough when confronted with an audio log of the event he was reduced to declaring that the log was a forgery created by conspirators attempting to slander Trump. It was hilarious.