FILE - In this Monday Aug. 3, 2015 file photo, Russia's Foreign Minister Sergey Lavrov, from left, U.S. Secretary of State John Kerry and Saudi Foreign Minister Adel al-Jubeir stand together before a trilateral meeting in Doha, Qatar. The international community's nuclear deal with Iran was widely expected by affect other Middle East issues, and that may already be happening with Syria: a series of recent diplomatic maneuvers suggests a growing willingness by Gulf players to engage with the Iranian-backed government of Syrian President Bashar Assad. (Brendan Smialowski/Pool photo via AP, File)