OPEC president Quatar's Mohammed Saleh Al-Sada (C-L) and acting secretary general Abdallah Salem el-Badri (C-R) open the 169th meeting of the Organization of the Petroleum Exporting Countries, OPEC, at OPEC headquarters in Vienna, Austria on June 02, 2016. / AFP / JOE KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)