Go out and See it.

The Fog of War
Eleven Lessons from the Life of Robert S. McNamara:

1. Empathize with your enemy

2. Rationality will not save us

3. There is something beyond yourself

4. Maximize efficiency

5. Proportionality should be a guideline in war

6. Get the data

7. Belief and seeing are both often wrong

8. Be prepared to reexamine your reasoning

9. In order to do good, you may have to engage in evil

10. Never say never

11. You can't change human nature