Newt Gingrich and Gary Hart

Former Speaker of the House Newt Gingrich was a field marshall in the Republican Revolution. Former senator Gary Hart was a Democratic contender for the presidency.

Now, they're both saying the country is facing a crisis — and needs a radically new politics that blasts through partisan lines.

Gingrich is still conservative, but says Republicans have failed at governing. Hart has endorsed Obama, but also an extraordinary "national unity" government with cabinet members from both parties.

This hour, On Point: Newt Gingrich and Gary Hart on the challenges we face, and changing the game.Guests:

Newt Gingrich, former Republican Congressman from Georgia, Speaker of the House from 1995 to 1999, now a senior fellow at the American Enterprise Institute. His new book is "Real Change: From the World that Fails to the World that Works."

Gary Hart, a former U.S. Senator from Colorado, he ran for the Democratic nomination for president in 1984 and 1988, and is now a professor of public affairs at the University of Colorado. His new book, "Under The Eagle's Wing: A National Security Strategy of the United States for 2009" will be published in April.