AL AHSA, Saudi Arabia -- Not long before a 21-year-old Saudi Royal Air Force trainee shot and killed three American sailors Friday at a naval base in Pensacola, Florida, he called his mother and his brother back home.The trainee, 2nd Lt. Mohammed Saeed Alshamrani, was wearing his uniform, they could see on the video call -- the uniform he had always wanted to wear as a child, when he dreamed of becoming a pilot.With his elder brother, Abdullah, he joked around on the call: "You're the eldest," Alshamrani teased, "but I'm going to get married first." Talking to his mother, he promised he would be home as soon as he finished his training. "Just a few more months," he said.What was missing was any hint of what was to come: opening fire in a classroom building at the Pensacola Naval Air Station, shooting three fatally and wounding eight more before being killed by a sheriff's deputy.Alshamrani seemed utterly normal in that last conversation, his fa
