but he is also open to may going the situation more transparent. there s been a lot of discussion about what the nsa does. yeah. reporter: in the surveillance pro programs. you have said it s not the business of the u.s. government to spy on its own people. the more that seems to come, the more questions that seem to be raised. are you confident that you know everything going none that agency and that you can say to the american people, it s all done the right way? yes. but what i ve also said is that it can only work in the american people trust what s going on. and what s been clear since the disclosures that were made by mr. snowden is that people don t have enough information. and around confident enough that between all the safe guards and checks that we ve put in place, within the executive branch. and the federal court oversight that takes place on the program. and congressional oversight, people are still concerned as to whether their e-mails are being