[TomGuy]

I thought it was a black X, not a white X?

Seems it was both. The black X showed up several times. That leads to the conclusion that it was more than just an error/malfunction.

[brewmeone]

Seems it was both. The black X showed up several times. That leads to the conclusion that it was more than just an error/malfunction. I wonder if the black X and the white X both got equal amounts of air time. :)

[antceecee]

Perhaps they were trying to convey the message that "Mr. X is Cheney... it's black & white for all to see".