Not so long ago, corporate giants with names like PanAm, ITT and Montgomery Ward roamed the earth. They faded and were replaced by new companies with names like Microsoft, Southwest Airlines and Target. The U.S. became famous for this pattern of decay and new growth. Over time, American government built a bigger safety net so workers could survive the vicissitudes of this creative destruction — with unemployment insurance and soon, one hopes, health care security. But the government has generally not interfered in the dynamic process itself, which is the source of the country’s prosperity.
