The Place of Dead Roads

or at least so says I. Scooter Libby.

Smoking Gun has the court documents that include this tidbit

Defendant [Libby] testified that the Vice President later advised him that the President had authorized defendant to disclose the relevant portions of the NIE. Defendant testified that he also spoke to David Addington, then Counsel to the Vice President, whom defendant considered to be an expert in national security law, and Mr. Addington opined that Presidential authorization to publicly disclose a document amounted to a declassification of the document.

See also ThinkProgress.

This matches what George Stephanopoulos said last October

...a source close to this told me this week, that President Bush and Vice President Cheney were actually involved in some of these discussions.

And what does the president's dad think of this sort of thing? Let's recall what G.H.W. Bush said back on April 1999

Even though I'm a tranquil guy now at this stage of my life, I have nothing but contempt and anger for those who betray the trust by exposing the name of our sources. They are, in my view, the most insidious, of traitors.
-At the Dedication Ceremony for the George Bush Center for Intelligence

One final note: ITMFA