Major developments in current affairs are rarely isolated events, but often the result of decades of history in the making. Historians and international affairs experts have argued that Russia’s war in Ukraine is no exception, though they don’t all agree about the cause. So what can recent history tell us? Peter Conradi’s prescient 2017 book “Who Lost Russia? How the World Entered a New Cold War” traces the breakdown in relations between Russia and the West. He joined us on Perspective to tell us more.