Thomas Schelling

I was moved by a post from Steven D. Levitt on his class with Thomas Schelling. How I wish I'd had that class--Schelling's books were on the short list that got me interested in political economy and strategy. It seems that whenever there's an interesting idea to explore, Schelling got there first. He was long overdue for the nobel prize he received this year. Now I learn he was (is) a great teacher, too. How does he do it?