text:  J.D.! J.D.! J.D.! J.D.! Vance rose to fame after the release of his 2016 book, Hillbilly Elegy. Back then, he said Trump might be America's Hitler. Now, he's done an about-face and is one of the former president's most vocal allies. Zach Beecham is a senior reporter for Vox who's written a profile on Vance. He joins us now. Zach, welcome to Here and Now. Hey, thank you for having me. Really appreciate it.