Zhao Tong is a senior fellow with the Nuclear Policy Programme at Washington-based think tank the Carnegie Endowment for International Peace, and its East Asia-based research centre on contemporary China, Carnegie China. His research focuses on strategic security issues, including nuclear weapons policy, deterrence, arms control, non-proliferation, missile defence, hypersonic weapons, regional security in the Asia-Pacific, and China’s security and foreign policy. This interview first appeared in...