What's good for the goose...

apparently doesn't apply to the gander.

Powerline notes Louis Boccardi is saying "bias is difficult to prove."

I know I'm not the only one who has noticed the evidence for Mapes having a bias a heck of a lot stronger than the evidence for the documents being genuine.

I am struck by the irony of the panel not wanting to say "We accuse you, Mary Mapes, of having a political bias and we can prove it" after Mapes said "We accuse you, George W Bush, of shirking your National Guard duties and we can prove it" on much weaker (in fact, wrong) evidence.