Synopsis: Social activist, political scientist and labor historian, Howard Zinn, delivers a presentation on  “The History Of The American Working Class.” The presentation took place in San Francisco at an educational forum sponsored by the Labor Video Project. Zinn was political science professor at Boston University and was considered the preeminent scholar on civil disobedience during the Vietnam War Era. He has authored more than twenty books, including his highly influential work, A People’s History of the United States.