After Wilson published a book criticizing the administration in April 2004, during the closely fought presidential campaign, Libby became consumed by passages that he believed were inaccurate or unfair to Cheney, former aides said. He ordered up a meticulous catalog of Wilson's claims and public statements going back to early 2003.

The result was a packet that included excerpts from press clips and television transcripts of Wilson's statements that were divided into categories, such as "political ties" or "WMD."

The compendium used boldfaced type to call attention to certain comments by Wilson, such as one in the Daily Iowan, the University of Iowa student newspaper, in which Wilson was quoted as calling Cheney "a lying son of a bitch." It also highlighted Wilson's answers to questions from television journalists about his work with Sen. John F. Kerry, the Democratic presidential nominee.

The intensity with which Libby reacted to Wilson had many senior White House staffers puzzled, and few agreed with his counterattack plan or its rationale, former aides said...