War on terror

New U.S.-Backed Alliance to Counter ISIS in Syria Falters

Weeks after the Obama administration canceled afailed Pentagon program to train and arm Syrian rebels to combat the Islamic State, American officials announced a new effort to equip ground forces in Syria to fight the jihadists.

But 10 days of interviews and front-line visits across northern Syria with many of the forces in the alliance, called the Syrian Democratic Forces, made clear that so far it exists in name only, and that the political and logistical challenges it faces are daunting.