 In 2016, a book that offered a bleak portrait of Appalachian culture and life for poor white Americans became a hit. And over the past eight years, as its author, J.D. Vance, ascended to the U.S. Senate and now the second-place spot on the Republican ticket, many people from the region have a lot to say about the picture he painted. We look back at Hillbilly Elegy on All Things Considered from NPR News.