 MNC News time is 629. Well, you now know that J.D. Vance is the new number two man in the Trump ticket. But do you know J.D. Vance? Well, here's a primer. J.D. Vance hasn't always been a fan of former President Trump, at one time describing himself as a never Trump guy. He now says the Trump presidential years changed his outlook. The novel Hillbilly Elegy.