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(L to R) German Chancelor Angela Merkel, US President Barack Obama and British Prime Minister David Cameron attend a meeting during the G20 Summit in Antalya, on November 16, 2015. AFP PHOTO / OZAN KOSE (Photo credit should read OZAN KOSE/AFP/Getty Images)

(L to R) German Chancelor Angela Merkel, US President Barack Obama and British Prime Minister David Cameron attend a meeting during the G20 Summit in Antalya, on November 16, 2015. AFP PHOTO / OZAN KOSE        (Photo credit should read OZAN KOSE/AFP/Getty Images)