Paul Krugman is with is the professor of economics and international affairs at Princeton University, professor at the London School of Economics, a nationally syndicated op-ed columnist, named columnist of the year by Editor & Publisher magazine for his column in the New York Times which he writes twice a week, and the winner of the John Bates Clark Medal, the most prized award given to American economists. He is the author of "The Conscience of a Liberal".

John Dean was the White House legal counsel to president Nixon for a thousand days. He served as Chief Minority Counsel for the House Judiciary Committee, Associate Deputy Attorney General in the US Department of Justice, the author of three truly brilliant, brilliant books: "Worse Than Watergate: The Secret Presidency of George W. Bush", "Conservatives Without Conscience", and "Broken Government: How Republican Rule Destroyed the Legislative, Executive and Judicial Branches".

Kenny Ausubel is co-founder of Bioneers and also appeared in the film the 11th Hour.

Dan Rather may be the most famous journalist in the world. He served as anchor and managing editor of the CBS Evening News from March 9, 1981 to March 9, 2005, the longest such tenure in broadcast journalism history. He is now the anchor and managing editor of Dan Rather Reports, which started broadcasting on HDNet in November, 2006, www.hd.net is the web site. Tonight, Dan Rather has an extraordinary special on voting machines.