Michael Mandelbaum has spent several decades thinking about the major global problems that we face, and his writings and opinions have been an invaluable source of insight, understanding and wisdom. Whether it is the future of war as an instrument of state power, the role of the UN in providing peace and security, how to patch up our crumbling nuclear order or the role of technology in accelerating the transition to a renewable energy economy, the analysis is always cogent, the arguments persuasive, all supported by a profound understanding of history. In this interview professor Mandelbaum is original and convincing, contributing to enhance and sharpen our understanding of the complexities of today´s security landscape. Check out Michael Mandelbaum's latest book The Four Ages of American Foreign Policy: Weak Power, Great Power, Superpower, Hyperpower. Learn more at GlobalGovernanceForum.org