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.
OK. I see your point now.
But my belief is that the senior White guys like Cheney, Libby and Rove would all have the necessary tickets. You cannot be an advisor to the President of the United States and be excluded from the key security data and meetings. My arguments are based on that assumption. I'm certain I'm right about that. I used TOP SECRET as an example of a high level clearance. The Valerie Plame info could be compartmentalized special access or could be only SECRET. Hard to tell. You are correct that it would probably be on Need To Know basis.