how do you think what has emerged today will affect that confirmation hearing? because we know chuck hagel had a difficult time, john kerry's was fairly straightforward. does this mean that john brennan may have quite a tough time thursday? >> reporter: he might. carney said he still believes brennan will be confirmed, but in a letter to president obama, 11 senators said that this could complicate those confirmation hearings, including ron widen, susan collins of maine saying that they want more answers about this. of course, brennan is really the only person in the administration who has spoken directly about the drone program making the point that the administration only targets someone if they believe they have good cause, if they believe that there won't be a lot of collateral damage. so this is something that he has talked about. carney pointed to the fact that a lot of this is still