The Philadelphia Inquirer, September 13, 2009 by John Yoo
http://www.philly.com/inquirer/currents/59146512.html
What has gone less well understood is what the investigation will do to the CIA as an institution at a time when it serves as the nation’s eyes and ears and, sometimes, the sword and shield, during war against a shadowy, covert enemy…. All intelligence involves probabilities and educated guesses, but effective intelligence can actually provide the information needed to avoid costly wars. Persecuting the CIA risks another surprise attack or major intelligence failure.