Terrorists don’t seem to be too afraid of stern language. But I do notice, that while the fear of death does not seem to deter these people, the fact of being dead does significantly decrease their operational effectiveness. That’s a casual observation on my part – no real Harvard study to back it up. More of a hunch, really.

Bill Whittle (from 'Deterrence', a two post essay of great length and greater importance.)

Part 1, Part 2