This is how it's done!

This author has a good strategic mind.

"... Before getting to what power-sharing in Syria might actually look like, the parties would try to establish a sustainable cease-fire. The United States and Europe could probably get the opposition and its supporters from the Sunni Gulf states to stand down; Iran could do the same with Mr. Assad.
The next step would be to speed the delivery of civilian aid. Given that Iran and Hezbollah have personnel on the ground in Syria, their cooperation on such an effort would be much more effective than Russia’s. Aid delivery would not only help Syrians in need, but such a good-faith effort on Mr. Assad’s part would improve the climate for substantive negotiations on the actual transition plan.
A diplomatic approach to Iran would not sit well with many in the Syrian opposition. But they also have to face facts: With or without Iran, the United States and its allies will remain wary of any political deal unless the moderate opposition substantially purges its ranks of jihadists, who are infiltrating Syria in increasing numbers...."