 We are re-airing on Q&A a J.D. Vance interview, an hour-long interview about hillbilly elegy that will be on Sunday night at 8 p.m. on C-SPAN. Well, J.D. Vance was introduced by his wife Usha last night at the Republican National Convention. Here she is. When J.D. met me, he approached our differences with curiosity and enthusiasm.