Anti-Assad Forces In-Fighting

Kurdish militias view some of the rebels as Islamist thugs acting on Turkey's behalf

Syria's opposition needs to be more representative and inclusive, say U.S. officials mindful of the dangers of an increasingly sectarian civil war. But the scale of the challenge in creating an opposition that draws in ethnic and religious minorities sometimes more fearful of the rebellion than they are of the regime was highlighted in last week's clashes in Aleppo, between units of the Free Syrian Army (FSA) and a local Kurdish militia.