I believe the polls.
I know exactly who has abandoned him since 2016.
.@FoxNews Polls are always bad for me. They were against Crooked Hillary also. Something weird going on at Fox. Our polls show us leading in all 17 Swing States. For the record, I didn’t spend 30 hours with @abcnews, but rather a tiny fraction of that. More Fake News @BretBaier— Donald J. Trump (@realDonaldTrump) June 17, 2019
It is not just suburban women who think he is a jerk and educated people who think he is a moron. It is mostly White working class populist and nationalist voters who have swung hard against him because he is a fraud who sold out to the donors and duped them with a bait and switch campaign.
Note: This is why Biden and Bernie poll so much better against Blompf than the SJW candidates like Warren, Harris and Buttigieg.