I've always thought vampires were interesting because they live forever, they're always well-financed, they dress well, you know what I mean? And they're, like, cool. Usually vampire - you've never seen a broke vampire. Have you?
Military intelligence interrogators, however, their goal is to get information, to save lives, to stop the war, to find Saddam - whatever the information is going to be used for, at whatever cost.
You get to the plate and nothing is going through your mind. You see the ball, you see the seams.