When you touch the ball 400 times per game, it's normal that you can lose the ball a couple of times.

I think, at 32, you are past your prime as a footballer.

Madrid are a great club and were the challenge I sought after my long and successful Bayern career.

You always work toward a big goal. Once you achieved it, it's not that easy. You need a few days. Like winning the Champions League - season over, goal achieved. The pressure drops.

My research career has been devoted to understanding human decision-making and problem-solving processes. The pursuit of this goal has led me into the fields of political science, economics, cognitive psychology, computer science and philosophy of science, among others.

The good and wonderful thing about my whole career is that I've always felt that the audience, if I do it well, will track wherever I go, whether it's President or a lawyer or bad guy or good. All I have to do is execute the material enough where they buy into it. I've had the great luxury of the audiences accepting that.

Courtney Vance and I are college classmates, weirdly enough. We're both Harvard class of 1982. Courtney, as a work-study job, was a typesetter at the Harvard 'Crimson,' the newspaper where I worked.

I'm convinced that there's a new way to define capitalism, and that the definition should include three ingredients - that we love our work, that we are building a traditionally successful business, and that we are having some positive impact in the world, whether it's local or global.