America is the world's policemen, whether you and I like that or not. That's a fact. People globally feel that.

I will do everything in my power to make sure people are aware that our team is out there fighting the good fight for the tennis fans of the United States.

America has an interesting global role, don't we? It certainly seems to be changing. Our government right now has a softer hand than we've had in the past, but I still think that we're the global behemoth.

Even the poor can be fat in the U.S.

You can kick a ball into the net, throw a basketball into the net. Tennis is complicated. It'll make a lot of great athletes run the other way because they can't be successful initially.

What separates the winners from the losers is that they can deal with doing their best while still coming up short.

It is very dangerous to have your self-worth riding on your results as an athlete.