TED: What it takes to be a great leader

There are many leadership programs available today, from 1-day workshops to corporate training programs. But chances are, these won't really help. In this clear, candid talk, Roselinde Torres describes 25 years observing truly great leaders at work, and shares the three simple but crucial questions would-be company chiefs need to ask to thrive in the future. 

Roselinde Torres studies what makes great leaders tick -- and figures out how to teach others the same skills.