FORT LAUDERDALE, Fla. — A Florida judge has ruled that a local school district had no responsibility to warn students and faculty at Marjory Stoneman Douglas High School of the danger posed by a former student who would later be accused of a mass shooting that killed 17 people.Broward Circuit Judge Patti Englander Henning said Monday that the Broward County school district cannot be held liable for failing to predict actions that were beyond its control, the South Florida Sun-Sentinel reported.Nikolas Cruz awaits …