If the error is on a minor detail, he corrects it. When his misses the boat entirely, he pretends he never said anything in the first place. Unless he breaks his usual pattern, he will not utter another word about the Lewandowski story, or he'll gaslight the audience and say that he always knew the story was false.
His accuracy rating is going to take a big hit with this election. He’s wrong as many times as Lying Ted.. Which is A LOT!!!