With a constitutional crisis in Washington, D.C., there are legal ways to protest. We talk to two veterans of the successful 1960s anti-war movement about how to resist today's extremist political environment effectively.

Author/activist Judy Gumbo was one of the original Yippies (Youth International Party) with Abbie Hoffmann and Jerry Rubin. Her insider feminist memoir, "Yippie Girl: Exploits in Protest and Defeating the FBI," tells of her involvement with the counter-culture protest movement.

Arthur Eckstein's "Bad Moon Rising: How the Weather Underground Beat the FBI and Lost the Revolution" details the war between the Weather Underground and the FBI through previously unreleased documents.