Margaret MacMillan, an esteemed historian from the University of Oxford, discusses the lasting impact of 9/11 and the evolution of warfare. Sir Nick Carter shares his experiences in Afghanistan, shedding light on drone warfare's complexities. Professor Anthony King highlights the private sector’s role in modern conflicts, particularly in Ukraine, and raises ethical questions about AI in the military. The conversation also touches on the humanitarian crises and the moral dilemmas that arise from technological advancements in warfare.