Article from Nader Hashemi at the CNN site. A quote:

Over the past three years, we have witnessed state-sanctioned war crimes and crimes against humanity replete with chemical weapons, barrel bombs, the targeting of children, mass rape, a refugee crisis and according to a new report “industrial-scale” torture and killings. Indeed, the U.N. High Commissioner for Refugees has described Syria as “a disgraceful humanitarian calamity with suffering and displacement unparalleled in recent history.”

Read the article now.