O n Wednesday, Vice President J. D. Vance spoke at the University of Mississippi, as part of a tour organized by Turning Point USA, the conservative youth movement founded by the late Charlie Kirk. After his talk, in a nod to Kirk’s freewheeling campus debates, Vance fielded questions from students for nearly an hour, an impressive feat of rhetorical stamina that illustrated why he is one of the Trump right’s best communicators . But he flubbed a key question. “I’m a Christian man, and I’m just