HarperCollins Publishers via APThis book cover image released by HarperCollins Publishers shows “Hillbilly Elegy: A Memoir of a Family and Culture in Crisis,” by J.D. Vance. By Dan Sewell, The Associated Press MIDDLETOWN, Ohio — For pundits and politicos baffled by the appeal of a wealthy New York businessman to the struggling white working class in Appalachia and Rust Belt mill towns, J.D.