some groups within the system, they have to understand that the situation is not tenable with can mauney in charge. that may happen africa -- after his death. >> that would require transformation in terms of ideology and in terms processes of government and the way, manner in which the islamic republic conducts itself at home and within the region. i don't think iran needs revolutionary change but evolutionary change isn't going to be enough because as we see people are fed up. and it may only be 40,000 this week but 40,000 over time, particularly with other precipitants can turn into 400,000 and four million very, very quickly. so my sense is, that we have had at least 25-year experiment with trying to reformer ran through economic, through political and social efforts, and it always has proven insufficient and each time there have been conservatives who peeled off, at least some extent supportive of some aspects of reform but fundamentally there is an unwillingness at the core of the regime to reconsider position of the absolute authority of the supreme leader over vast swaths of the s