Former Press Secretary Points Finger at Bush, Cheney for Deceit in CIA Leak Scandal

In this Friday, May 5, 2006, file photo, White House press secretary Scott McClellan smiles after finishing his last news briefing. In an excerpt from his forthcoming book, McClellan blames President Bush and Vice President Dick Cheney for efforts to mislead the public about the role of White House aides in leaking the identity of a CIA operative. (AP Photo/Ron Edmonds) (Ron Edmonds - AP)

Yet the teaser provided enough fodder for administration critics.

"Just when you think the credibility of this White House can't get any lower, another shoe drops," said Sen. Charles Schumer, D-N.Y. "If the Bush administration won't even tell the truth to its official spokesman, how can the American people expect to be told the truth either?"

In the fall of 2003, after authorities began investigating the leak, McClellan told reporters that he'd personally spoken to Rove, who was Bush's top political adviser, and Libby, who was Cheney's chief of staff.

"They're good individuals, they're important members of our White House team, and that's why I spoke with them, so that I could come back to you and say that they were not involved," McClellan said at the time.

Both men, however, were involved. Rove was one of the original sources for the newspaper column that identified Plame. Libby also spoke to reporters about the CIA officer and was convicted of lying about those discussions. He is the only person to be charged in the case.

Since that news conference, however, the official White House stance has shifted and it has been difficult to get a clear picture of what happened behind closed doors around the time of the leak.

McClellan's flat denials gave way to a steady drumbeat of "no comment." And Bush's original pledge to fire anyone involved in the leak became a promise to fire anyone who "committed a crime."

In a CNN interview earlier this year, McClellan made no suggestion that Bush knew either Libby or Rove was involved in the leak. McClellan said his statements to reporters were what he and the president "believed to be true at the time based on assurances that we were both given."

Bush most recently addressed the issue in July after commuting Libby's 30-month prison term. He acknowledged that some in the White House were involved in the leak. Then, after repeatedly declining to discuss the ongoing investigation, he said the case was closed and it was time to move on.

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Associated Press writer Jennifer Loven contributed to this report.