Arabic Islamic American Summit [Getty Images]

RIYADH, SAUDI ARABIA - MAY 21: (----EDITORIAL USE ONLY MANDATORY CREDIT - "BANDAR ALGALOUD / SAUDI KINGDOM COUNCIL / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) U.S. President Donald Trump (L) and Saudi Arabia's King Salman bin Abdulaziz Al Saud (R) attend the Arabic Islamic American Summit at King Abdul Aziz International Conference Center in Riyadh, Saudi Arabia on May 21, 2017. (Photo by Bandar Algaloud / Saudi Kingdom Council / Handout/Anadolu Agency/Getty Images)

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