Read other letters about this article
... about "Why can Tony Snow say with impunity that Plame "wasn't a covert agent" when their own CIA confirms that she was?" is that a group of RWA's bold enough to fix the intelligence around their policy of invasion (as the Downing Street Memo showed) thinks nothing of fixing the information in the press around their desired reality.
It's an inconvenient truth for them that Plame was covert or that Scooter was convicted but they can quite easily minimize the damage, and create a convenient untruths, by constantly repeating lies such as "Plame wasn't covert" or the "Fitz was on a partisan fishing expedition." They do this even when the CIA says otherwise and despite the fact that Fitz is a decorated Republican terrorism prosecutor chosen by Comey.
The real question for me is how do you deal with an opponent who cares nothing about the truth and who believes he is above the law when the institution charged with enforcing the former lets them get away with lies and the institution charged with enforcing the latter is headed by Alberto Gonzalez, who takes his orders directly from Turdblossom?