William D. Cohan is theauthor ofthe New York Times bestsellers"House of Cards" and "The Last Tycoons," which wonthe 2007 FT/Goldman Sachs Business Book of the Year Award. He is a contributing editor at "Vanity Fair, has a bi-weekly opinion column in The New York Times, "and writes frequently for "The Financial Times, Fortune, The Atlantic, " and the "Washington Post," among other publications.A former investment banker, Cohanis a graduate of Duke University, Columbia University School of Journalism and the Columbia University Graduate School of Business."