Have appropriate oversight over these programs. >> that's one of the roles of congress. were you aware and other members of congress aware of this? >> so i think, you know, members of committees, some are more active than others. i'm not on the intelligence committee, but it was very apparent to me sitting in this briefing, there were some senators that acted as if they were unaware of the metadata program against, which was the first one revealed. so i don't know. my guess is there may be a handful of folks that know a lot of details about this program. again it's very different at this point...