The Sunni-Shi'a DivideUntil the attacks of September 11, 2001, few Americans knew anything about Islam, let alone about the distinctions between Sunni and Shia, the Sufi and Wahhabi, the origins of the Holy Quran and Sharia law, and the respect that all Muslims, even secular ones, harbor for the prophet Muhammad, his family, and Islamic traditions. In The Sunni Shia Divide Robert Betts traces the tortuous history of Islams sectarian divisions, emphasizing the most