Watching both the health care and climate/energy debates in Congress, it is hard not to draw the following conclusion: There is only one thing worse than one-party autocracy, and that is one-party democracy, which is what we have in America today. One-party autocracy certainly has its drawbacks. But when it is led by a reasonably enlightened group of people, as China is today, it can also have great advantages.

So what am I? I guess I would call myself a sober optimist...If you are not sober about the scale of the challenge, then you are not paying attention. But if you are not an optimist, you have no chance of generating the kind of mass movement needed to achieve the needed scale.

The hidden hand of the market will never work without a hidden fist.

Oil is a tangible commodity, so there is a global market. The fact that we may need less may affect the global price because we're big consumers: we probably take about a quarter of global demand. But if suddenly, let's just use a crazy example, fighting in the Middle East led to the closure of the Strait of Hormuz and no oil could get out through the Strait of Hormuz, well that would affect China, India, Europe, it will affect the whole global economy. It will affect us, too, then.

If you don't visit the bad neighborhoods, the bad neighborhoods are going to visit you.

Saudi hijackers first came into contact with al-Qaeda and went through Terrorism 101 when they signed up for the jihad in Afghanistan.

You take one bomber and deploy him in Baghdad, and another is manufactured in Riyadh the next day. It's exactly like when you take the toy off the shelf at Wal-Mart and another is made in Shen Zhen the next day.