I regret being the richest man in the world because that position attracts undeserved publicity.

I find golf very relaxing. It's a way to get away from work and get outside. It's a lot of fun, and once you get going it's almost kind of addictive.

At the end of the day, natural-gas peakers sit back there and get financed so that the Midwest corridor can have a huge [period] of four to five days of no wind. The peakers are running big time to make that up, because that is the swing piece that can always be turned on.

We are seeing smarter philanthropy, more philanthropy, and that's true world wide. So it's kind of a movement that has a lot of accomplishments, even though as a percentage of the economy, it's still only a few per cent.

Well, no one gives aid to Zimbabwe through the Mugabe government.

I have always loved the competitive forces in this business. You know I certainly have meetings where I spur people on by saying, "Hey, we can do better than this. How come we are not out ahead on that?" Thats what keeps my job one of the most interesting in the world.

AIDS itself is subject to incredible stigma.