Senior Iranian cleric challenges nuclear deal with world powers

...Political analysts said the comments by Khamenei and Kermani allow conservative clerics the political space to make further criticisms of the deal and could also absolve the Supreme Leader of responsibility if the accord, which will last for years, falls apart at some future stage...
http://www.reuters.com/article/2015/07/17/us-iran-nuclear-prayer-idUSKCN0PR1BC20150717