In recent weeks, I have heard former Associated Press reporter Ron Fournier on Fox News twice asserting, quite offhandedly, that President George W. Bush “lied us into war in Iraq.”

I found this shocking. I took a leave of absence from the bench in 2004-05 to serve as co-chairman of the Commission on the Intelligence Capabilities of the United States Regarding Weapons of Mass Destruction—a bipartisan body, sometimes referred to as the Robb-Silberman Commission. It was directed in 2004 to evaluate the intelligence community’s...