Russia, a long-time ally of Damascus, entered Syria in 2015 to back the regime of Bashar Assad.
Russia's President Vladimir Putin speaks with Turkey's President Tayyip Erdogan and Iran's President Hassan Rouhani during a video conference call, dedicated to the conflict in Syria, in Moscow, Russia July 1, 2020(photo credit: SPUTNIK/ALEXEI DRUZHININ/KREMLIN VIA REUTERS)BySETH J. FRANTZMAN