WeeklyUS's Esper bids to rally Nato allies behind Saudi ArabiaA handout picture provided by the Saudi Press Agency (SPA) on October 22, 2019 shows King Salman bin Abdulaziz (R) shaking hands with US Defense Secretary Mark Esper in the capital Riyadh. (Photo by - / SPA / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SPA" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===....