The IR thinker

Uncertainty, Intentions and Great Power Conflict — Sebastian Rosato

August 18, 2026·57 min
Episode Description from the Publisher

How certain can great powers ever be about the intentions of their rivals, and what happens when that uncertainty becomes a permanent feature of international politics? In this episode, Professor Sebastian Rosato joins us to discuss 'intentions pessimism', the limits of information, and what uncertainty means for great-power conflict, diplomacy, and the study of international relations.Sebastian RosatoSebastian Rosato is Professor of Political Science at the University of Notre Dame, where he is also a fellow of the Kroc Institute for International Peace Studies, the Liu Institute for Asia and Asian Studies, and the Nanovic Institute for European Studies.PublicationsEurope United: Power Politics and the Making of the European CommunityIntentions in Great Power Politics: Uncertainty and the Roots of ConflictHow States Think: The Rationality of Foreign Policy (with John J. Mearsheimer)Chapters00:00 Introduction02:10 Is 'intentions pessimism' a structural or epistemological argument—or are the two inseparable?04:38 Endemic uncertainty in international relations06:33 The role of first- and secondhand information12:48 Waltzian neorealism vs. 'intentions pessimism'15:27 Has 'intentions pessimism' changed Professor Rosato's stance on IR?18:11 Is 'intentions pessimism' applicable to great powers only?20:44 Truism and falsifiability questions22:20 Which IR theory draws the most criticism of 'intentions pessimism'?24:50 Liberal institutionalism and constructivism vs. 'intentions pessimism'28:05 How 'intentions pessimism' works across different regime types31:41 Case study selection and theory grounding37:42 Material vs. ideational explanations40:07 Is 'intentions pessimism' about states or leaders?42:50 Signals intelligence, satellite surveillance, and AI: do new technologies change the information problem?46:17 The role of diplomacy and statecraft47:54 Uncertainty in foreign policy analysis53:46 How do we make progress in IR theory?Follow & Further ResourcesSubstack: https://theirthinker.substack.com/LinkedIn: https://www.linkedin.com/company/ir-thinker/X: https://x.com/irthinker_Instagram: https://www.instagram.com/theirthinker/Bluesky: https://bsky.app/profile/theirthinker.bsky.socialFacebook: https://www.facebook.com/irthinkerfb Hosted on Acast. See acast.com/privacy for more information.

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