President Donald Trump and Turkish president Recep Tayyip Erdogan met on the sidelines of the G20 summit in Osaka on June 29 in their first face-to-face encounter this year. The meeting was a wide on June 29 in their first face-to-face encounter this year. President Donald Trump and Turkish president ReceThe meeting was a widely anticipated component of the ongoing dialogue they have maintained since Trump assumed the presidency, which has included frequent telephone conversations the most recent of which was on May 29. The U.S.-Turkish agenda has long been burdened by a number of unresolved bilateral issues, most notably the case of Fethullah Gulen, the U.S.-based Muslim cleric whose extradition has been repeatedly demanded by Ankara for allegedly masterminding the failed July 15, 2016 coup, and U.S. cooperation in northern Syria with the Syrian Kurdish People’s Protection Units (YPG) forces, which Turkey identifies as an extension of the Kurdistan Workers’ Party (PKK). However, the main item for the two leaders’ discussion was the impending delivery to Turkey of the Russian S-400 missile system and its potentially serious implications for the relationship.

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