ia ea that you heard of and tried to get in to investigate different facilities inside of iran.ne of the issues hanging over the negotiations is whether or not the answers to the questions, ia ea was asking irain would be answered. would they come clean on what they were doing? and how would we verify what iran was doing in the country and because the investigators constantly been thwarted. and when they would have the clarity that they could verify iran is following the deal if it is a concrete deal is a question mark and hearing that the sanctions will be relaxed from everybody pending that verification is a big news in iran and a big victory and goes back to ambassador bolton what is the united states getting out of this? and have we achieved our goals and maybe we don't have all of that information yet. >> critics say that once those sanctions are removed, it is very difficult to put them back on. benjamin to put them back on. benjamin netanyahu who has been a vocal opponent of any dealings in iran. said in a tweet just before this announcement that the any deal has to sever

the success is on irans cooperation and they're handled by the energy agency or the ia ea. will grant access to suspicious sites. now as many are saying the devil is in the details when it comatose the deal. we just heard that congress is away in the break. we will see what kind of push back they're going to give when they come back from the two week recess. as president obama said in the remarks if congress kills the deal it's the united states that's going to be blamed for a failed diplomacy. we know cuba and china and watching as the u.s. diplomatic. >> let's hope that everyone comes backrested and they end of june, we should know for soon. >>> now the new develops out of the crash of germanwings. investigators revealing detail that is they learned from the second black box recovered. it's the flight data recovered. it was found yesterday by one of the receiversearches of the crash site. what are the investigators saying about what the second black box revealed? >> reporter: well investigators are saying that essentially the data recovered is just confirm confirming what