Courage, the most important virtue | Bari Weiss

In an unflinching look at issues that widen the political divide in the US, journalist and editor Bari Weiss highlights why courage is the most important virtue in today's polarized world. She shares examples of people who have spoken up in the face of conformity and silence — and calls on all of us to say what we believe. (Followed by a Q&A with head of TED Chris Anderson)