It is difficult to comprehend Middle Eastern politics and wars if one is unaware of the differences between Sunni and Shia. These differences run deep and are both political and spiritual. Certainly, not all Sunnis and Shias are at war with each other: they are getting along fine in the United Arab Emirates and Dearborn, Michigan. However, the Sunnis of Saudi Arabia and the Shias of Iran present a different story—a deadly one that could pull America into another Middle Eastern conflict.