Barry Schwartz studies the relationship between psychology and economics. Sound dry and uninteresting?
While the title of Schwartz TED presentation is about Practical Wisdom, the content and observations are as powerful and targeted a description of leadership as I have ever heard- and all without ever talking about leadership directly. Want a way to get re-enrgized and positive in the middle of the current meltdown? Get a cup of coffee or tea and spend 20 minutes with this TED talk.