How U.S. Fell Under the Spell of 'Curveball' - Los Angeles Times: "U.S. bungling in the Curveball case was worse than official reports have disclosed.

The White House, for example, ignored evidence gathered by United Nations weapons inspectors shortly before the war that disproved Curveball's account. Bush and his aides issued increasingly dire warnings about Iraq's biological weapons before the war even though intelligence from Curveball had not changed in two years.

At the Central Intelligence Agency, officials embraced Curveball's account even though they could not confirm it or interview him until a year after the invasion. They ignored multiple warnings about his reliability before the war, punished in-house critics who provided proof that he had lied and refused to admit error until May 2004, 14 months after the invasion. "