Christopher Coker is Director of LSE IDEAS, LSE's foreign policy think tank. His publications include Rebooting Clausewitz (Hurst, 2015), Men at War: what fiction has to tell us about conflict from the Iliad to Catch 22 (Hurst, 2014); The Improbable War: China, the US and the logic of Great Power War (Hurst, 2015); Future War (Polity, 2016). His most recent book is The Rise of the Civilizational State (Polity, 2019). His latest book is Why War? (2020). He was Professor of International Relations at LSE, retiring in 2019. He is a former twice serving member of the Council of the Royal United Services Institute, a former NATO Fellow and a regular lecturer at Defence Colleges in the UK, US. Rome, Singapore, and Tokyo. He has been a Visiting Fellow at the National Institute for Defence Studies In Tokyo, the Rajaratnam School for International Studies Singapore, the Political Science Dept in Chulalongkorn University, Bangkok and the Norwegian and Swedish Defence Colleges.