With wars still raging in Gaza, Sudan, and Ukraine, we return to an earlier interview on the origins of war. When and how did war begin? While some have argued it evolved in early human behavior within forging bands societies, our guests say, that's not true. Forger bands did not wage war. [...

April is Genocide Awareness month. Two of the worst genocides in history, the Hutu killing of Tutsis in Rwanda and the Ottoman genocide against Armenians, began in April. We explore genocide with two specific questions: Who internationally makes a determination that violence and atrocities are in...