George Stigler was a delightful correspondent. In a letter from London in 1948, after remarking on the inconvertibility of the pound and the inedible, still-rationed food, he concluded, "So here I am losing weight and gaining pounds.

We have a freer world because of the collapse of the Soviet Union and the changes in China. Those two have been the main contributors to freedom in our time.

Even the most ardent environmentalist doesn't really want to stop pollution. If he thinks about it, and doesn't just talk about it, he wants to have the right amount of pollution. We can't really afford to eliminate it - not without abandoning all the benefits of technology that we not only enjoy but on which we depend.

The big issue is whether the United States will succeed in its venture of reshaping the Middle East. It is not clear to me that using military force is the way to do it. We should not have gone into Iraq. But we have.

Every businessman is in favor of freedom for everybody else, but when it comes to himself that's a different question. He's always the special case. He ought to get special privileges from the government, a tariff, this, that and the other thing.

By encouraging men to spy and report on one another, by making it in the private interest of large numbers of citizens to evade the controls, and by making actions illegal that are in the public interest, the controls undermine individual morality.

I am a limited-government libertarian.