The Parkland Effect

S6, E4: As the young survivors of the Parkland, Florida school shooting make an impassioned plea for gun control, the NRA is pushing back with a narrative of their own: "The only thing that stops a bad guy with a gun is a good guy with a gun." Gianna Toboni sees firsthand how some teachers are taking up arms to be that 'good guy' and explores the deep divisions in America that make stopping these mass shootings seem nearly impossible.