Sep.04 -- Four years ago, David Rubenstein started interviewing the biggest names in business, politics and philanthropy to find out what makes a great leader. In this special, "How To Lead by David Rubenstein", the Carlyle Group Co-Founder highlights some of his favorite interviews over the years. He has sat down with the likes of Jeff Bezos, Oprah Winfrey, Bill Gates, Warren Buffett, Justice Ruth Bader Ginsburg. and Presidents George W. Bush and Bill Clinton.