True enough but that doesn't change the argument.
The VP had a need to know since there were questions raised by Cheney about how Wilson (of all people) was selected for the Niger mission - a stupid thing for the CIA to do in any case but particularly so when they sent a liberal partisan hack and known enemy of the administration to do the job. Tenet was just responding to that issue in a meeting with Cheney.
You can make the same argument for the Cheney to Libby exchange. I'll stand by my position.
I don't know what your position is. My point was that a Top Secret security clearance does not automatically entitle someone to receive all TS material. Moreover, learning the identity of a covert CIA agent requires a clearance above TS and is based on a need-to-know. I am sure that Libby, Cheney, and Rove possessed many of these compartmented clerances above TS. I just don't know if Libby and Rove had them.