March 11, 2008 -- Cheers erupted on trading floors around the city yesterday as word spread of the stunning downfall of Gov. Spitzer - who spent most of his term as attorney general torturing Wall Street with his witch hunt for financial wrongdoing. An employee of a major investment bank, who requested anonymity, said the company chef had been instructed to break out bottles of champagne so that the staff could party and swap jokes about "client No. 9." Meanwhile, at another giant firm, Merrill Lynch, "everyone broke into cheering on the trading floor," an employee said. Merrill got socked...