author : William D. CohanWilliam D. Cohan is the bestselling author of The Last Tycoons, the winner of the 2007 FT/Goldman Sachs Business Book of the Year Award; House of Cards; Money and Power; The Price of Silence; and, Why Wall Street Matters. He is a special correspondent at Vanity Fair and also writes regularly for The New York Times, The Financial Times, The Nation, among others, and is an on-air contributor to CNBC.