On 21 August 2015, on a cross-border train from Amsterdam to Paris, a Moroccan man named Ayoub El Khazzan emerged from a toilet cubicle shirtless, an AKM assault rifle in his hands. He shot a passenger who tried to intervene and then went to open fire on the carriage, but the weapon jammed, allowing three young American men to rush El Khazzan and prevent further violence. Afterwards Anthony Sadler, Alek Skarlatos and Spencer Stone, two of whom were off-duty members of the U.S. Armed Services, received the Legion of Honour, the highest decoration of the French Republic. Back home, Stone earned a…