In the President’s announcement of the Iran Nuclear deal, he highlighted the authorities of the IAEA inspectors under the new agreement–even though the details are not worked out.  This will not be the case.  The UN inspectors in Iraq had far more authority than anyone has considered for Iran.  Moreover,  I am certain they will be caught in the middle of incredible political pressures to provide convenient judgements–just as the inspectors were in Iraq.  The Security Council wanted political science reports and the inspectors were guided by physical science.  See  my piece in Politico of 2 April 2015.  http://www.politico.com/magazine/story/2015/04/iran-deal-kerry-flawed-negotiations-close-116623.html#.VR7nPVxhyZY