mr. morell i must say a lot of official washington was surprised when, number one, that the recommendations were unanimous and that you, as a long time user of information collected by the nsa said, yes, may be time to change a few things. tell us about your thinking. >> good morning, bob, thank you for inviting me. i think there's some very important context here that the american people need to understand. and there's two pieces to that context, i think. one is that there has not been a successful terrorist attack in the united states since 9/11. and there are a lot of reasons for that, there are a lot of organizations and lot of people who are responsible for that. the national security agency is one of those agencies. because of that those officers who work there are patriots we're going to continue to need them to do the work they do, because the threat continues to exist and quite frankly it's possible the threat could grow again, that's one very important piece of context that americans need to understand. the other is that there is this view out there that somehow the national secur