As it turns out, Greenspan is a better rhetorician than he is a forecaster. In his recent speeches and testimonies, he cleverly frames his what-me-worry message in apposition to the more extreme doomsayers who warn that the world is about to run out of oil or that foreign investors are about to trigger a financial meltdown by dumping their dollar assets. He's also careful to include hedges and caveats that he can point to when things don't turn out as swimmingly as he suggests.

But through it all, the consistent message is that global financial markets have become so gloriously efficient and flexible in pricing risk and intermediating capital that they can cushion any shock, correct any imbalance and cure your lumbago besides. In the World According to Greenspan, the only real threats come from those who would tamper with this machinery by reversing the march toward deregulation, open markets and the free flow of capital.

Unfortunately, what Americans desperately need now is not a Fed chairman pushing an ideological agenda -- not a Paul Wolfowitz of economic policy -- but a clear-eyed pragmatist willing to tell Americans the truth that nobody else dares: That they are living beyond their means, that their profligacy has put the global economy out of whack and that the only way to avoid a bad ending is to save more, import less, raise taxes and accept lower levels of government services and benefits.

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