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.
Emotions are the fuel to really move you along - that's the only way you can create music. If you don't feel any emotions, it's not going to happen.
The discovery of agriculture was the first big step toward a civilized life.