My guess is that if they did testify, there were a few more FALSE STATEMENTS uttered to that Grand Jury. This is most likely a case of selective prosecution.
And I think Fitzpatrick should lay off the "National Security" concerns. If he really cared, he'd be investigating the infested CIA right now.
Scooter can supoena Wilson's testimony and the transcript of Plame's interview if he chooses.
That's the hidden time bomb in all this,IMO,what I thought might never see the light of day because of GJ secrecy, now can be exposed publicly in a court of law.