itself directly relevant to an ongoing investigation about national security. so i asked him the question whether when you aggregate all that data up, even if each point is itself relatively insignificant, doesn t that undermine the reasonable privacy expectations of the american people when they collect data on all of us and have the ability to store it for years and search it at any time? i think that s a problem, and i think he understood the point. jenna: are you satisfied with his answer? well, his answer was predictably defensive of the agency that he runs. that s what people do in washington. they tend to protect their own government office. but in this circumstance it is our responsibility as members of congress to look out for the privacy interests of individual american citizens and make sure that we don t make government so powerful that it has the power to look into every aspect of our lives. jenna: it s an interesting point that you make. you must have a legal background