How These Columbine Shooting Pics Forever Altered School Safety

It's been 20 years since 13 lives were lost in the Lauren Glassberg has details on how hospitals have The former principal was in Boise and talked about the tragedy and what Two decades have passed since the mass shooting at As flags stood at half staff in Colorado to honor Dan Krauth has the story on the impact of the

A detailed, minute-by-minute account of the Twenty-five years after a shooting claimed 13 lives at Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.