 But when promoting his book, J.D. Vance slammed Mr. Trump as a liar, said he considered him America's Hitler. All seems to be forgiven by the former president and lots of Republican delegates here. I forgive people every day and I hope they forgive me for some of the dumb things I say. But the bottom line is he's on board. He's a great guy. He has a lot of talent. He's young. He's energetic. And he wants the American first agenda.