Great Moments in Public Discourse.

MSNBC acknowledges that Chris Matthews is an unhinged jerk but won't apologize.

This kind of lunacy is a staple of MSNBC. There is no such thing as legitimate policy disagreement; those who don’t toe the far-left line are “pigs.” At MSNBC, smear and invective have replaced argument, not to mention straight news reporting.

MICHAEL OPPENHEIMER, PRINCETON UNIVERSITY: Listen, Chris, I’m not into name-calling here.

MATTHEWS: Well, I am.

OPPENHEIMER: Fine, that’s your job, not mine.

MATTHEWS: Alright.

And here, if you find that exchange hard to believe, is the video: