There are clear common interests among the regional and international powers in a managed political transition. A conflagration threatens an explosion in the region that could affect the rest of the world. But it takes leadership to compromise to overcome the destructive lure of national rivalries. Joint action requires bilateral and collective efforts by all countries with influence over the actors on the ground in Syria, to press upon the parties that a political solution is essential.
Kofi is tilting at windmills.