Syrian chief negotiator Bashar al-Jaafari (R), center, Ambassador of the Permanent Representative Mission of the Syrian Arab Republic to the U.N. New York, attends a new round of negotiations between the Syrian government and the U.N. Special Envoy of the Secretary-General for Syria Staffan de Mistura (not pictured), at the European headquarters of the United Nations in Geneva, Switzerland, March 23, 2016. REUTERS/Martial Trezzini/Pool