Preparing the invitation list to next month's peace conference on Syria is a ticklish matter for the UN's special envoy. Both Iran and Saudi Arabia are influential, on opposite sides, in Syria's civil war. But the US has conditions for including Tehran.
The United Nation’s special envoy for Syria is pressing ahead to organize a peace conference to try to bring the devastating civil war to a close. But even if the invitation list can be worked out in coming days, it is virtually certain that some major players in the conflict won’t be at the table.