I try not to flog dead horses, but these guys are stunning. Richard Perle, according to this in the Toronto Star, is trying to take the big duck:

Richard Perle, a chief proponent of last year's U.S. invasion of Iraq, yesterday called for the chiefs of the Central Intelligence Agency and the U.S. Defence Intelligence Agency to step down because of their faulty conclusions that Saddam Hussein possessed mass-killing weapons.

Let's review. Before and immediately after 9/11, the CIA reported that Iraq had no credible programs or stockpiles of WMD. In the run up to the war, the White House cut out the CIA analysts, insisting that they were better at deciphering raw intelligence data than the cautious pros. Cheney visited the CIA to apply his personal influence on the analysts. They touted forged data and continued to spew "facts" that had be proven demonstrably wrong.

It's clearly more important to fire the messenger than accept the responsibility. At least Chalabi is somewhat honest about the red meat he fed the ravenous dogs of war:

...shrugged off charges that he had deliberately misled US intelligence. "We are heroes in error," he told the Telegraph in Baghdad.

"As far as we're concerned we've been entirely successful. ..."