Guests: Author/columnist Jonah Goldberg, political strategist Matthew Dowd, sportscaster Bob Costas, political humorist P.J. O'Rourke (election correspondent), CNN analyst Amy Holmes Topics: Super Tuesday results, suspension of Mitt Romney's campaign, McCain vs. conservatives, U.S. role as superpower, Roger Clemens steroid controversy and overdependence on prescription drugs, death of Maharishi