or less likely it is to get in the right hands when they need it. so's a tradeoff that the nsa and other intelligence agencies have faced. >> bart, i think the number one question here as we watch this drama play out beyond mr. snowden's travels at the moment, but more globally, is who do you trust. he said that someone like him, a single analyst sitting at the desk, could, a metaphor, but flip a switch and listen to any conversation of anybody in the united states. he said even the president of the united states if he had that number that e-mail address or the like. nsa says that's not true, that no single analyst has that power. from what he shared with you, do you know the answer, who is telling the truth? >> i can't verify the answer on that. i think his most important point and the point he was trying to make here was that once these capabilities are in place, there is only either a policy decision or a few lines of code that