the iranians in that situation will have to be careful not to comingle anything from the covert facilities with the overt facilities that we see, and, secondly, the iranians, we discovered a secret facility a number of years before they were revealed. so very have to contend with a view that the intelligence communities of the world will supplement the i.a.e.a. in their work of making sure things don't happen in iran. these are not supposed to happen. the envelope of ambiguity and uncertainty lies in our direction. >> we are talking about the uncertainty and what critics are saying. they say the weakness of the agreement says it barely shortens iran's time to develop a nuclear wapan, they can maintain the centrifuge. if they keep the 19,000 sentry fudges, if they dilute the 26%, can they ramp up quickly enough so this doesn't curtail the program much? >> yes, part of the big concern it if the deal is reneged upon, they'll reconstitute quickly. it won't be instant anious. the capacity will remain. that's in the biggest fear i have, that we are no longer looking at a dismantlement of the pro