The History of marijuana in America is, to quote its chroniclers the Grateful Dead, a long, strange trip, involving tens of thousands of ordinary individuals who, along with corporations, federal officials, presidents, and first ladies, felt a personal stake in determining the future of pot. To talk about the history of Marijuana in America, Mitch Jeserich is in conversation with writer Emily Dufton author of the book Grass Roots: The Rise and Fall and Rise of Marijuana in America.