BEIRUT, Lebanon — In the early scenes of the Syrian documentary “Our Terrible Country,” the leftist writerYassin al-Haj Saleh explores the ruins of a rebellious Damascus suburb, his clean-shaven face, Lenin-style cap and pristine clothes marking him as a recent arrival from the mostly intact government-controlled downtown. The camera and the man behind it, a young photographer and sometime insurgent calling himself Ziad al-Homsi, approach Mr. Saleh with reverence. It is mid-2013, two years into Syria’s revolt. Hopes for easy victory over President Bashar al-Assad are long gone, yet Mr. Saleh still has far more skin in the game than his peers,... more