Russian President Vladimir Putin, right, and Turkish President Recep Tayyip Erdogan shake hands after their joint news conference following the talks in the Bocharov Ruchei residence in the Black Sea resort of Sochi in Sochi, Russia, Monday, Sept. 17, 2018. Turkish President Recep Tayyip Erdogan meets for the second time in 10 days with Russia's Vladimir Putin. (AP Photo/Alexander Zemlianichenko, Pool)