take on what we're still learning from these hearings. >> whatever is motivating these revelations, on one level an emotional level and frankly, as you and i have both been through all of this material for so long, what's remarkable is we didn't know some of this before. that's surprising to me. i think when it comes down to the substance of what might have been different or changed on the ground i myself don't see there might have been much change given what we know of the facts, but i do find that gregory hicks and others have come forward with tapes that i haven't heard before, and i'm asking the question of how can that be? why is that? is that because of something he held back? or is that something the state department and the white house for various reasons didn't want to disclose. i think that is a very, very important question to get at. >> you've been taking a close look at this. what about the charge that the military did not respond, overruled the request from greg hicks. we had testimony previously from