9/11 Twenty years on

Global Truths with Dr Keith Suter

Two decades after the tragic attack on the World Trade Center and the world looks drastically different today. How much of that change is defined by the aftermath of 9/11? Dr Keith Suter explains how we're still seeing the shockwaves from the attack globally, and yet how much about it we still don't know.

See omnystudio.com/listener for privacy information.