Government spending will not cure rampant uncertainty

Why is this recession so bad? Why doesn't anyone know when it will end? Can't someone tell us with certainty what to do about it?

There is no shortage of explanations for the current crisis: the housing crunch, executive avarice, irrational exuberance, consumer debt, and so on. But these are the reports of blind men groping at different parts of the elephant.

It matters why...