When Hank Paulson, the former CEO of Goldman Sachs, was appointed in 2006 to become the nation's next Secretary of the Treasury, he knew that his move from Wall Street to Washington would be daunting and challenging. But Paulson had no idea that a year later, he would find himself at the very epicenter of the world's most cataclysmic financial crisis since the Great Depression. Major institutions including Bear Stearns, Fannie Mae, Freddie Mac, Lehman...