Hell be lucky to last five or six years on those knees. What it might have to come down to is playing less on hard surfaces and playing more on forgiving surfaces.

Even the poor can be fat in the U.S. That says something about a country. That's how incredible what we have is. But it can also take away incentive.

If I had to choose one man to play for my life, it would be Nadal.

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

There used to be a lot more politics in the Olympics, when the Soviet Bloc committed a lot of resources for propaganda purposes.

Tennis doesn't encourage any kind of intellectual development.

Tennis is still very successful in spite of itself.