Because he is finally calling for greater regulation:
Federal Reserve Chairman Ben Bernanke on Wednesday warned that the economic slowdown is growing worse and called for greater regulation to prevent future crises like the one now menacing the nation.
I have written about the need for better regulation for a long time.
In other news, Massachusetts is cutting back on spending. I can understand why, but this is about the worst time for a state government to do that, because it increases the economic shrinkage (make of that whatever you wish).
In even further news, I will watch the debate tonight, but honest, I should be paid for doing that. I'm not a masochist.