This year marks the 20th anniversary of the September 11th attacks, a day that changed the trajectory of world history in ways that we are still coming to terms with. In this special episode of Nukes of Hazard, host Geoff Wilson talks to the Center's Executive Director, former Congressman John Tierney about his experience in Congress post-9/11, his work to redress some of the worst policies that came out of these tragic events, and how we must reframe the way we think about national security going forward.