He’s negotiated some of the biggest book deals in history, such as a reputed $12 million for Bill Clinton‘s doorstopper, My Life. His client list includes Hillary Clinton, Karl Rove, Dick Cheney, Bob Woodward and Tony Blair. And, as D.D. Guttenplan reports in this Financial Times article, he’s the man who made it possible for Barrack Obama to become a millionaire not by “marrying the daughter of a wealthy businessman,” like John McCain, but “in a more modern manner — on the back of a book deal.” He’s not even an agent, he’s an attorney — but Robert Barnett may be one of the most influential people in Washington, DC. And, according to Peter Osnos, the former Washington Post reporter who now runs Public Affairs publishing, “Nobody games the system better than Bob Barnett.