verifiable and can be corroborated in some form or fashion. they don't just say please tell me all the things i would like to hear. it would make your job a whole lot easier, trying cases. but you have to be in furtherance of justice, and there are parameters there. the idea that flipping is synonymous with lying, that's what the president and giuliani want you to believe. giuliani forgets most prosecutors require the assistance of people who are unsavory and people who may have a vested interest in saving their own hide to give us information that is truthful and verifiable. >> and who go to great length to make sure those people who are flipping are in fact telling the truth to the prosecutors, because they don't want to go out on a limb with rotten evidence. >> and by the way -- >> hold on, laura. john dean knows a thing about cooperating with investigators. this is a conversation between john ehrlichman and president nixon, from april 8th of 1973, and they're talking about you, john.