Many of us who grew up playing golf know that our kids aren't doing it. A great way to enhance the game, make it cool again and bring back some of the interest among younger people is to make golf the greenest sport in an environmental sense. Every course's greenkeeper should think of himself or herself as the greenkeeper: responsible for preserving the green, not just the greens.

Two things are going on at the same time with the flattening of the world: The relentless quest for efficiency is squeezing some of the fat out of life.

When you study history and look at every civilization that has grown up and died off, they all leave one remnant: a major sports colosseum at the heart of their capital. Our fate can be different; but only if we start doing things differently.

The hidden hand of the market will never work without a hidden fist -- McDonald's cannot flourish without McDonnell Douglas, the builder of the F-15. And the hidden fist that keeps the world safe for Silicon Valley's technologies is called the United States Army, Air Force, Navy and Marine Corps.

I would say that in 2000, we understand as much about how today's system of globalization is going to work as we understood about how the Cold War system was going to work in 1946.

Rock stars get room keys, I get business cards. Wherever I go I meet innovators of wind power equipment, solar energy operators.

What we do know is that the planet is going from 7 billion people today to 9 billion. More people want to live like us, drive American- size cars, live in an American-size home, and eat American-size Big Macs. What does that mean? It means that energy demand is going to be going up.