Hank Paulson, chairman and founder of the Paulson Institute, former U.S. Treasury secretary, and former chief executive officer of Goldman Sachs Group Inc., talks about how the Watergate scandal impacted his career, fighting climate change, expanding the business for Goldman Sachs in China, and trying to save Lehman Brothers during the financial crisis. He appears on "The David Rubenstein Show: Peer-to-Peer Conversations." The interview was recorded Oct. 2 in Washington. (Source: Bloomberg)