He simply tried to bluff his way through with incoherent misdirection, hostility and sarcasm, even as he made the absurd claimed that his temperament is his best quality. He gave the worst debate performance of his short political career. In fact, it may have been the worst debate performance of any political career.
— Digby, writing for Salon
That said, and I agree with the characterization, having watched the debate in its entirety, no amount of facts about what Trump says, does, or implies will dissuade his supporters. It is “the primitive simplicity of their minds,” as Hitler wrote, that makes them impervious to truth.