OP-ED CONTRIBUTOR TODAY marks the fifth anniversary of the peak of the great millennial stock market. What were you doing when the lights began to dim? Were you a bull or a bear? Rich or otherwise? What about today? Are you inoculated against the new alleged sure things? Or perhaps you believe in the permanent hegemony of the dollar in the world's currency markets? In the inevitability of rising house prices? Or of falling interest rates? Answer true or false: the chairman of the Federal Reserve Board is clairvoyant. From the March 2000 top to the October 2002 trough, the...