worse, snowden has had a major impact. back to you. thank you, elizabeth prann in washington. a team of inspectors from the u.n. nuclear watch dog agency arriving in iran as part of an interim deal reached with the u.s. and world powers. the deal goes into effect on monday. it faces big wild cards. what is the push in washington for new sanctions on iran. the other demands to see the fine print of what exactly was agreed to in the first place. jim walsh is an international security expert with m.i.t. and joins us now. good to see you. this is a big deal. white house issuing a summary of understandings related to this joint plan of action and writing specifically iran agreed to specific actions that stop the advance of its nuclear program, roll back key aspects of the program, and to include unprecedented access for international insepectoinspecto.