From Clint Eastwood comes “The 15:17 to Paris,” which tells the real-life story of three men whose brave act turned them into heroes during a high-speed railway ride. In the early evening of August 21, 2015, the world watched in stunned silence as the media reported a thwarted terrorist attack on Thalys train#9364 bound for Paris—an attempt prevented by three courageous young Americans traveling through Europe.