Wanna give Wall Street a pep talk? Lower the corporate tax rate to something competitive with other countries. Talk about offshoring jobs; a higher-than-average corporate tax offshores entire companies. We need to win back IPOs from the London exchange.
(Googling around, I found this NYT piece from Gregory Mankiw that was a good starting point)
Elsewhere, Jonathan Koppell proposes government too big to fail insurance, calling it "tricky but doable".