ANTALYA, TURKEY - NOVEMBER 15 :  Turkish President Recep Tayyip Erdogan (R) and US President Barack Obama (L) pose for photographers prior to a bilateral meeting as a part of G20 Turkey Summit on November 15, 2015 in Antalya, Turkey. The 2015 G-20 Leaders Summit will be held in Antalya on November 15-16, 2015. (Photo by Kayhan Ozer/Anadolu Agency/Getty Images)
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