let's take the graphics down so i don't confuse anybody. 59% favorable for donald trump to 29% unfavorable. and, by the way, 59% is up from 52% favorable just four weeks ago. it seems there's just nothing this man can do to upset anyone, at least those people who are answering the phones for these polling questions. >> reporter: you're right. it is, again, one more piece of evidence that he is counter to every convention that we who have covered politics for a very long time have come to know and kind of abide by. and, look, just the fact that i'm here, why am i here? i'm here because donald trump is, we understand from sources, expected to sign a pledge that he will be a republican. this has never happened before, ashleigh. and the reason is based on what you just alluded to, that the rnc chair is flying here to new