A look at the strange history of marijuana in America, with a critical eye toward America's War on Drugs and its impact on society. Gary Philp,Hal Sparks,Graham Hill,Mark A.R. Kleinman,Allen St. Pierre,R. Gil Kerlikowske,Mitch Earleywine,Rob Kampia,Jeffrey Miron,John Redman,Dale Sky Jones,Charles Sophy,Doug Benson,Kim J. Raney,Joe Stewart,Arnold Schwarzenegger,Nate Holden,Joe Rogan,Larry 'Ratso' Sloman,Alexandra Datig,Melissa Etheridge,Richard Nixon,Jimmy Carter,Ronald Reagan,Nancy Reagan,Bill Clinton,William Leahy,Stephen De Angelo,Alison Triessl,David Lampach,Paul V. Gallegos,Ron Allen,Lyndon Johnson,Zedong Mao,Joseph Stalin