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Iraqi Prime Minister Haider al-Abadi (L) meets with Iraqi Kurdish leader Massud Barzani following his arrival at the airport in Arbil, the capital of the autonomous Kurdish region of northern Iraq, on April 6, 2015. AFP PHOTO / SAFIN HAMED (Photo credit should read SAFIN HAMED/AFP/Getty Images)

Iraqi Prime Minister Haider al-Abadi (L) meets with Iraqi Kurdish leader Massud Barzani following his arrival at the airport in Arbil, the capital of the autonomous Kurdish region of northern Iraq, on April 6, 2015. AFP PHOTO / SAFIN HAMED        (Photo credit should read SAFIN HAMED/AFP/Getty Images)