Stephen Kotkin,

Pulitzer Prize finalist Stephen Kotkin joins us to discuss his latest book "Stalin: Waiting for Hitler, 1929-1941."

The Berlin Wall came down 20 years ago today. We’ll discuss the events that led to that historic event and how the former Soviet Bloc has changed since the Iron Curtain was lifted. We’re joined by Stephen Kotkin, Professor of Modern and Contemporary History and of International Affairs at Princeton ...