Iraq calls for end to extremist 'sanctuaries'

[karynnj]

2. No, Iran ruled it out and claimed they rejected the US idea to work together

In Tehran, the tone was quite different. Iranian officials gave out flurries of statements to local reporters on Monday, saying they had rejected multiple invitations by the United States to join the coalition. Never, they asserted, would Iran consider working with the United States to cleanse the region of terrorists, who the Iranians asserted had been created and nurtured by the West.

http://www.nytimes.com/2014/09/16/world/middleeast/iraqi-leader-asks-world-powers-to-pursue-isis-in-syria.html

From the article it seems that the US may have had the choice of getting the Sunni companies to join, which the US thinks is essential or Iran to come. It also seems that there is more common interest to "deconflict" than it sounds like from many comments on each side. (I had never heard the word before Kerry used it -- and it is subtlety different from coordinating. )