RIYADH, SAUDI ARABIA - MARCH 30 : (----EDITORIAL USE ONLY  MANDATORY CREDIT - 'BANDAR ALGALOUD / SAUDI KINGDOM COUNCIL / HANDOUT' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Prime Minister of Lebanon Saad Hariri (L) and Deputy Crown Prince and Defense Minister of Saudi Arabia Mohammad bin Salman Al Saud (R) meet in Riyadh, Saudi Arabia on March 30, 2017. (Photo by Bandar Algaloud / Saudi Kingdom Council / Handout/Anadolu Agency/Getty Images)