Rebels Without a Leader Show Limit to U.S. Role in Syria War

Rebels Without a Leader Show Limit to U.S. Role in Syria War

Alice Martins/AFP via Getty Images

A member of the Islamist group Ahrar al-Sham fires against a position of the Committees for the Protection of the Kurdish People (YPG), a militia set up to protect Kurdish areas in Syria from opposing forces, during clashes in the northern Syrian province of Raqqa, August 25, 2013.