Just as Syria is going to be divided Iraq is already divided given IS operations in the region, the inability of Iraqi and KRG forces to hold territories and Iran’s ever expanding footprint in the region both politically and from a military stand point.
The article states that: “In his final press conference in Washington Wednesday, Odierno said the breakup of Syria and Iraq into smaller countries, each with its own government and ethnic and religious constituency, is a possibility for peace. Referring more to Syria than to Iraq, Odierno commented, “My assessment would be (that) it will be difficult to have a Syria that looks like it did before.”
http://www.upi.com/Top_News/World-News/2015/08/14/Iraq-PM-rejects-idea-of-partitioning-country/1591439556549/?spt=su&or=btn_fb