exclusive During his interview with ACU Chairman David Keene, John Ziegler name-checked Countdown host Keith Olbermann several times. On last night's edition of Countdown, Olbermann returned the favor. He and Democratic strategist Chris Kofinis had themselves a good chuckle about the confrontation, with Kofinis calling the showdown a "good old conservative rat fight," and Olbermann wondering if Ziegler was "defending his own crush." In a Mediaite exclusive, Ziegler reacts by challenging Olbermann to a debate about the former Alaska Governor, and puts his money where his mouth is. (more...)