Via Newsbusters. Some sort of rebuttal was inevitable after Matthews’s rant last night, but it’s one thing to know it and another thing to see it. Understand what’s happening here: You’ve got the guy who follows Chrissy in the MSNBC line-up inviting someone on for the explicit purpose of slapping him around. It’d be like Bret Baier bringing on some lefty to talk about what an ignoramus Glenn Beck is.

If Nelson walks away and the bill goes down tomorrow, we might see open inter-timeslot warfare over there on Monday. Exit question: Coming soon — Chris Matthews, worst person in the world?