The lesson for Asia is; if you have a central bank, have a floating exchange rate; if you want to have a fixed exchange rate, abolish your central bank and adopt a currency board instead. Either extreme; a fixed exchange rate through a currency board, but no central bank, or a central bank plus truly floating exchange rates; either of those is a tenable arrangement. But a pegged exchange rate with a central bank is a recipe for trouble.

Drugs are a tragedy for addicts. But criminalizing their use converts that tragedy into a disaster for society, for users and non-users alike. Our experience with the prohibition of drugs is a replay of our experience with the prohibition of alcoholic beverages.

Columbus did not seek a new route to the Indies in response to a majority directive.

Italy may well be the main problem. It has benefited most from the euro by having been able to get the euro interest rate instead of what otherwise would have been its own. That would be much higher because Italy has been accumulating so much debt. In the past, Italy has inflated away its debt. The virtue of the euro is that Italy can't do it alone. A tight ECB policy wouldn't permit that to happen again.

Look, for example, at the obvious, immediate, practical example of illegal Mexican immigration. Now, that Mexican immigration, over the border, is a good thing. It's a good thing for the illegal immigrants. It's a good thing for the United States. It's a good thing for the citizens of the country. But, it's only good so long as its illegal....

The argument for the free market is a complicated and sophisticated one and depends on demonstration of secondary effects. I have confidence market efficiency will win out.

When you have a time of crisis what happens depends on what ideas are floating around, and what ideas have been developed, and thought through, and are made effective.