Howard Zinn: You Can't Be Neutral on a Moving Train

　　Author of the pivotal A People's History of the United States, historian and activist Howard Zinn has been at the forefront of progressive thought in America for decades. Through archival materials, interviews with Noam Chomsky, Marian Wright Edelman, Daniel Ellsberg, Tom Hayden and Alice Walker, and commentary from Zinn himself, this documentary chronicles the influential thinker's inspiring commitment to social change. Matt Damon narrates.