broadcast. >> when you remember lyndon johnson pulling out and not running for president that year and quotes that came out ofl b. j. saying now that walter cronkite we've lost america. did that have much impact on it, you think? >> i think what president johnson said was if i lose cronkite i lose america. not sure he was convinced to lose it. of course he had. no. i don't think it had that much effect. i think there was, i mean the fight over vietnam in america was what very widespread. i don't think the opinion of even walter con kite would have turned it one way or the other. >> this next clip you've seen many times and has been talked about many times but i guess for either nostalgia reasons or the younger folks that haven't seen it, the it's the clip from