The New York Times, Aug. 12 -- The most consequential image from the NATO summit in Ankara is one that no photographer could have taken: Donald Trump, the president of the United States, moving through a catering truck on an airfield at night while Air Force One stood ready to take off without him.

Iran's intelligence apparatus had acquired Trump's precise location at the summit with sufficient confidence to generate a threat that American security services rated as credible. The Secret Service activated a contingency plan. Trump left a NATO summit, the most symbolically fortified event in the Western alliance's calendar, through a DO & CO catering vehicle, then boarded a C-32A military jet parked at a secondary position on the airfield ...