JEDDAH: On Oct. 8, Khaled Zaal was staring through the window of King Khalid International Airport at a parked Saudia aircraft, bored by a delay that had already stretched past two hours, when he saw a small ball of fire emerge silently from the top of the plane’s fuselage. A fraction of a second later came another explosion, this one to his left, and then a blast loud enough to shake the whole concourse. Glass and ceiling fittings came down. Smoke and dust filled the air, and Zaal could barely
