If you are charged with this responsibility of enhancing interrogations, or using soldiers to enhance interrogations to find Saddam, and you're above the law for all practical purposes, you might try some unusual techniques. Now we know that, in fact, they did.
I went to dance classes from 9 in the morning until 1, then to school from 3 to 10 at night, always under the threat that if I failed a single course I could forget about dancing.
Saving a letter from an old friend doesn't exist anymore. Everything is texted or emailed.