I said that more people in more places can now compete, connect and collaborate with equal power and equal tools than ever before.

Our president's latest energy initiative was to go to Saudi Arabia and beg King Abdullah to give us a little relief on gasoline prices. I guess there was some justice in that. When you, the president, after 9/11, tell the country to go shopping instead of buckling down to break our addiction to oil, it ends with you, the president, shopping the world for discount gasoline.

I am always a little skeptical on the water thing because I have been hearing that for 30 years, but one year it's going to be true. With the rising populations, Yemen could be the first country in the world, or Sana'a the first major city in the world, to run out of water, that's from Yemeni hydrological engineers and the United Nations. Sooner or later, all of these people, from 7 to 9 billion, all of them want to live like America, will be consuming so much more water that some of the societies will hit a wall without more sustainable environmental practices.

Hope and optimism aren't just attitudes, they are life strategies.

What every employer is looking for is not someone who can do the job, but someone who can reinvent the job.

That's right-the striking thing about greenhouse gases is the diversity of sources that emit them. A herd of cattle belching can be worse than highway full of hummers.

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