What drives us toward armed conflict? And what does it take for peace activists to face down tyrants and military leaders?

**Guests: **

Scott Anderson — Samantha Power — Benjamin Ginsberg — David Shields — Leymah Gbowee

**Interviews In This Hour: **

In The Case Of Iran, Who Decides What Constitutes 'War'? — An Idealist Wrestles With The Ethics of Military Intervention — The Worth of War — War is Beautiful? — Is War Inevitable?