There's no doubt that it's still a dangerous place, Afghanistan. The fortunate thing is that the United States was helping to provide security for Chairman Karzai. And it shows that the United States is committed to that regime.

The sooner you learn that life is not fair, the better off you'll be, because you'll spend less time railing against life's unfairness and feeling aggrieved and entitled, and more time figuring out how to maximize your assets, and your talents and how to deal with things that you're not very good at.

America's still a very, very powerful symbol and a very important place of leadership for the world.

I stick to playing Brahms, but I love listening to Led Zeppelin, and I've also been a big fan of Earth Wind and Fire since the Seventies and of The Gap Band since the Eighties.

When somebody underestimated me, it made me want to prove them wrong.

Spirituality and faith are at the core of who I am. I was born to deeply religious parents who were able to give me that rock solid foundation in the church and in my faith which really has served me so well.

I'm a terrible long-term planner.