 At 39 years old, he is half the age of the 78-year-old Trump. He is also a best-selling author, and his hit memoir, Hillbilly Elegy, was made into a major motion picture. It tells Vance's story of growing up in the Appalachian region of southern Ohio and a family struggling with poverty and drug addiction. NPR's Don Gagne is in Milwaukee and joins me now. Hey, Don. Hi there. So, Don, just start by telling us, what does J.D. Vance bring to the Republican ticket?