By some measures, there is more war in the world today than at any point since World War II. Today’s wars have brought a level of destruction, disruption, and global risk that would have been hard to imagine not long ago, often in places where such combat seemed a thing of the past. Policymakers once again worry about nuclear use, and military planners once again contemplate war between great powers, including the United States and China, and NATO and Russia. And all of this comes as the Trump administration dismantles key pieces of the international system and technology scrambles expectations about how wars start, unfold, and end. 

No one has left a greater mark on our understanding of wars past and present than Lawrence Freedman. Freedman has written a slew of definitive books on military strategy and history, and he has offered some of the most penetrating analysis of Iran, Ukraine, and more, in Foreign Affairs and elsewhere. 

He is emeritus professor of war studies at King’s College London.   Dan Kurtz-Phelan spoke with Freedman on Monday, September 14, about the course of today’s conflicts; about what is and is not changing in the nature of war; and about why policymakers, military officers, and strategists so often start wars based on bad assumptions—and how those bad assumptions explain some of the biggest calamities in global security today. 

September 14, 2026