Syria’s rebel coalition has shaped itself into a nationalist force that aims to overthrow Assad regime
Hassan Hassan writes: The stunningly successful offensive by Syrian rebels last week accomplished what years of bloodshed by larger factions could not. Within four days, the rebel group, Hayat Tahrir al-Sham, captured much of Aleppo, one of Syria’s largest cities, and now controls most of Aleppo Province and all of Idlib Province. Long-entrenched front lines held by government forces and fortified by Russian firepower crumbled. Underlying the success of Hayat Tahrir al-Sham is a crucial development: It has evolved from…