beneath the prisoner's fingernails. Or like Jack Bauer, hero of the hit television series 24, he might break the suspect's fingers or apply electrodes to his nipples.
All these methods stem from a desire to protect the innocent and not from sadism or brutality. Like Jack Bauer, our torturer is a good guy who has made what Dershowitz calls a 'tragic choice' facing democracies in the new era of catastrophic terrorism.
However, while the 'ticking bomb' has been a recurring justification for torture in terrorist emergencies, the dilemma - do you torture one man to save thousands of lives? - is rarely as stark as my scenario suggests.
In most cases, the process of 'breaking' a defenceless prisoner is an expression of power and domination. As critics of the French army in Algeria once recognised, torture degrades both the torturer and the victim, and short-term counter-terrorist benefits are negated by political defeat.
A similar dynamic has unfolded in the current 'war on terror', where America's claims to moral leadership have been fatally