Russian President Vladimir Putin, center, welcomes Iranian President Hassan Rouhani, left, and Turkish President Recep Tayyip Erdogan for the talks in the Bocharov Ruchei residence in the Black Sea resort of Sochi, Russia, Thursday, Feb. 14, 2019. Putin is hosting the leaders of Turkey and Iran for talks about a Syria peace settlement as expectations mount for an imminent and final defeat of the Islamic State group. (Sergei Chirikov/Pool Photo via AP)