I stated when I first read Harlow's public comments that I doubted their veracity. It's been clear from the start that some within the CIA lied about facts surrounding this (like denying the documented fact of what Novak reported: Anti-Bush Joe Wilson was sent to Niger at least in part because of his CIA connected wife).
As to what Harlow actually said to the grand jury? I'm sure he couched his phrasings carefully to avoid perjury but if he did lie to them, I hope Fitzgerald is aware of these various public accounts of who is saying what they said to whom.
I am very glad Novak clarified this Harlow point as my main concern from the beginning was why some in the CIA were passing along disinformation to reporters like this. (An argument any Congressman worth his salt should consider when deliberating any ill-advised reporter shield legislation).
I consider myself up to date and well read in this matter. All I have had to do is separate the wheat from the chaff by reading all that you have posted. I think you have been ahead of the pack since the start. Once again kudos to you.