. >> it basically killed hewack. they recruited to washington and never returned to washington that day. i don't think they ever had another public hearing after that. in a short while they seized functioning. >> communist witch hunts now are something that people understand is not going to happen again in the united states. and they understand that even though there are decenters in our society, our society is strong enough to carry on and do its job as a government and as a civilization. even with decent. >> people who were there remember it as a turning point in their lives and in the life of the nation. >> when we come back on a second look, its name has become synonymous with tumultous debate. the people's park. >>> back in the turbulent days of the mid-60s, one area seemed to bring controversy. >> reporter: with then anti vietnam movement in full throttle, people responded to an ad in the underground newspaper the berkeley ard. the paper called for people to take hold of a piece of land. >> there was enough spa