Combating climate change requires government policy, and most conservatives hate the idea of more government regulation. Because they hate the prescription, they deny the diagnosis.

The financial crisis just made the hole deeper, which is why our stimulus needs to be both big and smart, both financially and educationally stimulating. It needs to be able to produce not only more shovel-ready jobs and shovel-ready workers, but more Google-ready jobs and Windows-ready and knowledge-ready workers.

Golf has an ambivalent relationship with the environment. On one hand, it's a great preserver of open spaces. Golf doesn't pave the world - it helps to green the world. But the downside is, it uses a lot of fertilizer, pesticides and water. And this is in a world where we know that synthetic fertilizers and pesticides are toxic, and water is more and more scarce. Golf could do a lot more.

The Dell Theory of Conflict Prevention argues that no two countries that are both part of the same global supply chain will ever fight a war as long as they are each part of that supply chain.

I could see America playing a slightly smaller role in the Middle East but I would not see us abandoning the region and just say "Oh," like I said, "China, Russia, it's yours now. Global focus is just on our hemisphere." I don't see that happening.

We are led by lawyers who do not understand either technology or balance sheets.

It created a global platform that allowed more people to plug and play, collaborate and compete, share knowledge and share work, than anything we have ever seen in the history of the world.