Article Photos: Syria, Sunni-Shiite split arise at Muslim summit



  In this photo released by the Egyptian Presidency, leaders of nations taking part in the Organization of Islamic Cooperation's two-day summit, which brings together leaders from across the Muslim world, pose for a group photograph in Cairo, Egypt, Wednesday, Feb. 6, 2013. (AP Photo/Egyptian Presidency)

In this photo released by the Egyptian Presidency, leaders of nations taking part in the Organization of Islamic Cooperation's two-day summit, which brings together leaders from across the Muslim world, pose for a group photograph in Cairo, Egypt, Wednesday, Feb. 6, 2013. (AP Photo/Egyptian Presidency)