WASHINGTON (CNN) -- Here are some excerpts from portions of the Iraq Study Group report -- set to be released at 11 a.m., ET today.

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"Our most important recommendations call for new and enhanced diplomatic and political efforts in Iraq and the region, and a change in the primary mission of U.S. forces in Iraq that will enable the United States to begin to move its combat forces out of Iraq responsibly. We believe that these two recommendations are equally important and reinforce one another.

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"The United States should immediately launch a new diplomatic offensive to build an international consensus for stability in Iraq and the region. This diplomatic effort should include every country that has an interest in avoiding a chaotic Iraq, including all of Iraq's neighbors. Iraq's neighbors and key states in and outside the region should form a support group to reinforce security and national reconciliation within Iraq, neither of which Iraq can achieve on its own."

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"Given the ability of Iran and Syria to influence events within Iraq and their interest in avoiding chaos in Iraq, the United States should try to engage them constructively. In seeking to influence the behavior of both countries, the United States has disincentives and incentives available. Iran should stem the flow of arms and training to Iraq, respect Iraq's sovereignty and territorial integrity, and use its influence over Iraqi Shia groups to encourage national reconciliation.

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"The primary mission of U.S. forces in Iraq should evolve to one of supporting the Iraqi army, which would take over primary responsibility for combat operations. By the first quarter of 2008, subject to unexpected developments in the security situation on the ground, all combat brigades not necessary for force protection could be out of Iraq.