American Marines Who Thwarted Paris Train Attack Tells Their Story
                                Spencer Stone (from left), Anthony Sadler, and Alek Skarlatos helped tackle a gunman aboard a high-speed train.    Stone, Skarlatos and Sadler were traveling  together when they heard shattering glass and saw people running,  Skarlatos' brother Peter said. Sadler, on his first trip to Europe, said  they acted right away.                           "My friend Alek  Skarlatos yells, 'Get him!,' so my friend Spencer Stone immediately  gets up to charge the guy, followed by Alek, then myself," Sadler said.     "The  three of us beat up the guy," Sadler said. "In the process, Spencer  gets slashed multiple times by the box cutter, and Alek takes the AK  away."     Spencer suffered cuts to his head and neck, and his thumb was almost cut off, Norman said.     Skarlat...