Diplomacy is an evolving practice in terms of historical circumstance and changing national interests. History and interests do not always coincide. This book explores in brief, pungent case examples, the challenges diplomacy faces today as actors seek to change history and undermine interests. Stephen Chan OBE was Foundation Dean of Law and Social Sciences at SOAS University of London, where he remains as Professor of World Politics. He has occupied many named chairs around the world, most recently the Konrad Adenauer Stiftung Chair of Academic Excellence at Bir Zeit University in 2015, and the George Soros Chair of Public Policy at the Central European University in 2016.