text:  But when Vance first gained national attention, he was one of Trump's loudest critics. I can't stomach Trump. I think that he's noxious and is leading the white working class to a very dark place. That's J.D. Vance back in 2016 on NPR's Fresh Air when Trump mounted his first run for the presidency. We wanted to dig a little deeper into Vance's political path, so we called up someone who knew him, David Frum. He's a senior editor for The Atlantic.