Hillbilly Elegy, A Memoir of a Family and Culture in Crisis, by J. D. Vance, Harper Collins, NY, 2016,   Having read this immediately after “Teeth” I couldn’t help but recognize the common thread of how tooth decay and unsightly smiles weave their way through the failing fabric of rural society.  It is an easy, well-written success story about the challenges of moving out of one unseen world in America to the other world in which most of us live.