The working class is in trouble - especially the part with roots in Appalachia. In his best-selling memoir "Hillbilly Elegy," J.D. Vance tells how he escaped the chaos of his mother's drug abuse and serial boyfriends/husbands. In an interview with "Inside Appalachia," Vance acknowledges the role de-industrialization plays in working-class decline. But he says cultural decline may be even more important. "It's the fact that people are dying of heroin overdoses...it's the fact that families are