The Nashville school shooting that left six people dead dealt yet another blow to a country weary of the senseless killing of children and teachers. "Those officers were fearless and stopped a lot of other lives from being affected or lost," said Radnor Police Chief Chris Flanagan. Flanagan allowed Action News' cameras to roll as Radnor police simulated a school shooting training exercise. READ MORE: https://6abc.com/school-shooting-trai...