Join Bernie Sanders, John Wayne, Robert Duvall, Abe Vigoda, Conan O'Brien, Paul Kantner, Signe Anderson, Cosmo Kramer, Howlin' Wolf, Ted Cruz, Donald Trump, and Sarah Palin on a trip through Iowa with music from The Jefferson Airplane, The James Hunter Six, Sufjan Stevens, Memphis Minnie, Ray Goren, Ray LaMontagne, Beautiful People, Jimi Hendrix, Rhiannon Giddens, Frank Stokes, and PJ Harvey. Produced by Peter Bochan.