In late 1971 John Lennon left London and pop stardom behind and moved to New York City, eager to join a youth movement rallying for social justice and an end to the Vietnam War. Settling in Greenwich Village, the former Beatle was soon on the front lines of the antiwar movement, championing causes and inspiring solidarity and suspicion. His story is told by the unlikely cast of friends, among them the members of Elephant's Memory. Exclusive interviews...