Click to Enlarge The Shiite-dominated Iraqi state has weakened to the point where Tehran will have to depend on Shiite militias to protect its interests across the Iraqi border . When Iran's Shiite proxies consolidated control over Iraq after the U.S. invasion, Tehran took comfort in the weakening of the Sunnis, the minority community that had dominated Iraq since 1920. However, Tehran has been concerned about a potential Sunni revival , especially since the Arab Spring in Syria metastasized into a full-scale civil war and regional sectarian conflict. If Syria fell to the Sunnis , Tehran's allied regime in Baghdad would be threatened and Iran could again face a major threat on its western border . Iran's sense of relief about preventing the collapse of the Alawite regime in Damascus shattered earlier this month when Islamic State in Iraq and the Levant militants surged in Iraq . The offensive likely came as a surprise, since the Sunnis in Syria had been contained and the...
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