Ethics expert and Santa Clara University professor David DeCosse explains Just War thinking and how it went very wrong in the lead up to the Iraq War. We explore America's martial culture, how PTSD can also be viewed as an ethics issue, and much more. DeCosse is the Director of Campus Ethics Programs at the Markkula Center for Applied Ethics, a center designed to guide students, business leaders, government leaders, scientists, and others, through ethical decision making in the real world. How do we apply the lessons of Aristotle, Kant, Mills... in our everyday lives?

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