Well, you could do that.
Unfortunately, I think you've read what he said too literally. He was being dramatic in saying that his wife was no longer covert the second that Novak's article was published.
And as tobyhill says, if he can't comment on a portion of that time, he can't comment on any of it.
Plame hadn't been covert for years. She was brought home after the Aimes affair. She's an analyst trying to get into management. Wilson's probably hoping whatever Democrat he helps get elected will nominate her CIA director put of gratitude for all they've done for The Party.