WTF Is It Now?!?

"The greatest TV crossover since the Flintstones met the Jetsons"
Stephen Colbert and Bill O'Reilly met face-to-face on each other's shows last night -

Once inside Colbert's studio — decorated for the occasion with a large "Mission Accomplished" banner and a portrait of O'Reilly placed fireside — O'Reilly seemed to be regretting the decision.

"This was a huge mistake, me coming on here," he muttered.

Crooks and Liars has the videos.