best advice and give him options to deal with these problems. >> clearly you can't have that confidence by virtue of what happened yesterday. do you have an idea of how this got out and how can you tighten up the ship as it were to ensure from your perspective at least that this stuff doesn't get out? i think it's incumbent on all of us to bring in the people with the right authorities and mandate to take a look at how this leak occurred and how other breaches may have occurred as well. >> general mcmaster, to put a finer point on it, is there now an active investigation into how this information was leaked and can you tell us about who's running that investigation? i also would like to ask you given that president trump is now going to be meeting face-to-face with literally dozens of foreign leaders, if there are sensitivities to his discretion in what sort of information to decide to declassify, how is that something that you are advising him ahead of this foreign trip? >> well, there are no sensitivities in terms of me or anybody who's been with the