Sergey Radchenko is the Wilson E. Schmidt Distinguished Professor at the Henry A. Kissinger Center for Global Affairs, Johns Hopkins School of Advanced International Studies, based at SAIS-Europe, Bologna. He is a historian of the Cold War, and an expert on Russian and Chinese foreign and security policies. Previous publications include Two Suns in the Heavens: The Sino-Soviet Struggle for Supremacy and Unwanted Visionaries: The Soviet Failure in Asia.