Eight suspected Islamic State members were captured in this scarred city in recent weeks, Libyan commanders say. Militant sleeper cells, they say, lurk in some neighborhoods. Other militants have set up desert camps to the south, where the Islamic State reportedly hides fighters and weaponry, as Libyan militias that once worked closely with U.S. counterterrorism forces on the ground no longer patrol the area. These are signs of how the expanding civil war in Libya has created a potential opening for the Islamic State to revive itself in the country, according to Libyan commanders and Western officials. Today, the militias that targeted the Islamic State are themselves […]