[Updated w/video clip, 14:21 Eastern, July 30]

Something happened on Sunday's "Chris Matthews Show" that likely shocked virtually all viewers on both sides of the aisle: the panel, stocked with liberal media members as usual, actually discussed reasons why America shouldn't pull troops out of Iraq.

In fact, not only was this issue seriously debated, but some of the statements made could have come from well-known conservative columnists like Fred Barnes, Bill Kristol, and Charles Krauthammer.

Video (3:09): Real (2.29 MB) or Windows (1.91 MB), plus MP3 audio (1.06 MB).

Yet, this panel was comprised of the Washington Post's David Ignatius, Time's Michael Duffy, NBC's Kelly O'Donnell, and U.S. News and World Report's Gloria Borger.

The shocking discussion was set up thusly by host Matthews: