Kardinal Rovelieu
I heard this on Wait Wait last weekend, but just tracked down the source: "For Bush to get rid of Rove would be like Charlie McCarthy firing Edgar Bergen." I'm glad somebody else understands who wears the pants in that relationship.
I presume that was either Adam or Mo?
Actually, it was the first "Identify this quote" question on the show, so somebody on staff must have dug it up.