The most painful and frustrating economic policy blunder of the past 50 years was the Great Inflation of the 1970s. Painful, because it was the catalyst for three damaging recessions (1973-75, 1980, 1981-82), all the while eroding living standards and seriously undermining confidence in America.

It was also deeply frustrating. Despite the teaching of Milton Friedman -- which clearly explained that inflation was caused by too much money chasing too few goods -- a combination of bad economic models, denial and political expediency...