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Saudi Foreign Minister Adel Al-Jubeir smiles during a news conference inside the Saudi Embassy on September 4, 2015, in Washington, DC. US President Barack Obama and Saudi Arabia's King Salman held a long-delayed first White House summit marked by warm public words, despite differing views on Middle Eastern crises. After the meeting, the allies released a joint statement, published by the White House and later read out at a news conference by Saudi foreign minister Adel Al-Jubeir. AFP PHOTO/PAUL J. RICHARDS (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)

Saudi Foreign Minister Adel Al-Jubeir smiles during a news conference inside the Saudi Embassy on September 4, 2015, in Washington, DC. US President Barack Obama and Saudi Arabia's King Salman held a long-delayed first White House summit marked by warm public words, despite differing views on Middle Eastern crises.  After the meeting, the allies released a joint statement, published by the White House and later read out at a news conference by Saudi foreign minister Adel Al-Jubeir.   AFP PHOTO/PAUL J. RICHARDS        (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)