David Bowie! Bob Dylan! Jimmie Rodgers! One of these things is not like the other...but that's okay, they all worry about the world. Or, in the case of Jimmie Rodgers, at least America. Maybe the Korean War, maybe the Vietnam War, maybe any one of the dozens of other wars that have taken place around the world in the last 75 years. Let's see how far we get when we think about the way the world turns.