'Wall Street, as we knew it, is dead. The system that allowed the U.S. economy to be a dynamic innovator has been fundamentally broken and the implications of these structural changes have yet to be fully felt." It's now commonly accepted that the economic meltdown has forever changed the nature of the financial industry. But the words above weren't written in the past weeks. They were penned by financial analyst Richard Wayman in 2003, after investigations by then New York Attorney General Eliot Spitzer led to a structural shift in the relationship between research and investment banking following the stock-market collapse of 2001-02.