School shootings can be prevented -- here's how | William Woodward | TEDxMileHigh
16:25
Mass shooters want to be famous -- you're helping them | Tom Teves | TEDxMileHigh
12:34
How to Prevent School Shootings | Jillian Peterson | TEDxHamlineUniversity
17:02
Toxic culture of education: Joshua Katz at TEDxUniversityofAkron
12:43
The Much Misunderstood Second Amendment | William Harwood | TEDxDirigo
20:31
My descent into America's neo-Nazi movement & how I got out | Christian Picciolini | TEDxMileHigh
13:09
Surviving Active Shooter Attacks and Other Violent Events | Aristides Jimenez | TEDxSanAntonio
20:54
Our democracy no longer represents the people. Here's how we fix it | Larry Lessig | TEDxMidAtlantic
11:55