Some countries can drive other countries crazy. When people have this effect on one another, it is because of imbalances in the brain's neurotransmitters. With countries, it often happens because of the disproportionate influence of special interests. Cuba, for example, has long driven the United States crazy. Just think of the Bay of Pigs invasion or the outsourcing of Castro's assassination to the Mafia. For more recent examples of irrational behavior, think of the Helms-Burton law or Elián.

The problem is that Cuba not only drives the United States crazy but also seems to induce some acute form of learning disability among U.S. politicians. Cuba makes them forget—or unlearn—everything the world has painfully discovered about the transition from communism.

This knowledge can be distilled into five simple maxims: Lesson one: Failure is more common than success in the transition to a democratic market economy. Lesson two: The less internationally integrated, more centralized, and more personalized a former communist regime was, the more traumatic and unsuccessful its transition will be. Lesson three: Dismantling a communist state is far easier and faster than building a functional replacement for it. Lesson four: The brutal, criminal ways of a powerful Communist party with a tight grip on public institutions are usually supplanted by the brutal, criminal ways of powerful private business conglomerates with a tight grip on public institutions. Lesson five: Introducing a market economy without a strong and effective state capable of regulating it gives resourceful entrepreneurs more incentive to emulate Al Capone than Bill Gates.

It is therefore safe to assume that if the Castro regime suddenly implodes, Cuba will end up looking...