I admire leaders in science, people who really figure things...

I admire leaders in science, people who really figure things out like Richard Fineman or people who work on vaccines, tons of people working on [the] HIV vaccine. There's leaders in business, people like Warren Buffett, who've got a certain approach they take that are pretty amazing. There [are] product innovators like Steve Jobs was, where he gets behind a concept and does a fantastic job.