I don't think that somebody who is observing or predicting behavior should also be participating in the 'experiment.'

In baseball you have terrific data and you can be a lot more creative with it.

You can build a statistical model and that's all well and good, but if you're dealing with a new type of financial instrument, for example, or a new type of situation - then the choices you're making are pretty arbitrary in a lot of respects.

Success makes you less intimidated by things.

I love South American food, and I haven't really been down there. I really need a vacation.

We look at all the polls, not just the Gallup Poll. So, it's kind of like if you have, you know, four out of five doctors agree that reducing cholesterol reduces your risk of a heart attack, Gallup is like the fifth doctor.

I don't think that somebody who is observing or predicting behavior should also be participating in the 'experiment.'