I'm willing to grant that torture will get you some mix of true and false utterances, and then I'd very much like to get into the immorality of torture.
Well, they've done trials of torture (as the article points out).
Maybe he should survey those who were tortured?
"I know from personal experience that the abuse of prisoners will produce more bad than good intelligence. I know that victims of torture will offer intentionally misleading information if they think their captors will believe it. I know they will say whatever they think their torturers want them to say if they believe it will stop their suffering."
Clinical trials of torture?
I'm willing to grant that torture will get you some mix of true and false utterances, and then I'd very much like to get into the immorality of torture.