mean iran and well, powers take place in vienna, international atomic energy agency, chief raphael miano grossi is also told out there that to her on must submit to more inspections. now he's talks and resurrecting historic deal was struck in 2015 in which it agreed to restrict its program. in return for the evening of factions, the agency and iran are trying to come to an agreement on or basically 2 things. one is the capability or the ability of the agency to return to one facility, one specific facility in iran, where we need to reinstall cameras that need to be there. and it has been difficult to do this. so we have been talking about this and the other thing is how to address a number of issues which need to be clarified. the agency found traces of nuclear material in places that had not been declared before the survivor slaven center. i trans few trivia ron initiative at the atlantic council. she joins me now via skype from washington. the negotiations last week were difficult and tense of the signs more positive this week. well, i think it's a little early to say, even the u. s. delegati