International Security & Defense

Stephen Walt argues that if the world is entering a period of defense dominance—and if the resolve of most states is greatest in their immediate surroundings—then the ability of any country to wield vast and unchallenged global influence will decline. In such a world, the United States will have to pick its battles more carefully than it has in the past.

In this deeply personal book, Joseph Nye shares his own journey living through the American century.

In the Henty Mance interview, Joseph Nye, who coined term 'soft power,' says that the turmoil facing the United States and Harvard was worse in the 1960s.

Episode 92 examines conflict delegations and the roles of intermediary actors within proxy conflict. Our guests introduce the idea of intermediaries and pull from academic and practical experience to set the stage.  Along with other historical examples, they examine the role Pakistan played as a key go-between from the Soviet invasion of Afghanistan through the American withdrawal in 2021. They offer lessons for working through intermediaries in ongoing conflicts and highlight pitfalls found within these complex geopolitical relationships. 

On October 30, 2023, President Biden issued the Executive Order on the Safe, Secure, and Trustworthy Development and Use of Artificial Intelligence, aimed at realizing the benefits of AI, while mitigating critical risks. This article provides an overview of its key national security initiatives and explores issues relevant to implementation.

Stephen Walt's analysis of the morality of the war in Ukraine includes the following reasoning: But I wish hardliners would acknowledge that their uncompromising approach to the war could do more harm to Ukraine in the long run. Not because that is what hardliners want, but because that is what their policy recommendations may produce.

Foreign Affairs has recently published a number of articles on how the United States should engage with the Taliban government in Afghanistan, extremist forces within the regime, how the West can help ordinary Afghans, and the fate of the country’s women. To complement these essays, Foreign Affairs asked a broad pool of experts for their take. As with previous surveys, Foreign Affairs approached dozens of authorities with expertise relevant to the question at hand, along with leading generalists in the field. Participants were asked to state whether they agreed or disagreed with a proposition and to rate their confidence level in their opinion. Two Belfer Center experts participated, International Security Executive Editor Jacqueline L. Hazelton and Future of Diplomacy Project Senior Fellow Paula Dobriansky.

Calder Walton says both seek to topple the United States from atop world stage, with China's blend of money, influence, all-hands-on-deck approach posing the greater threat.

Stephen Walt analyzes the priority that the United States should place on competing with China by asking and answering five questions.

Calder Walton recounts how Russia and China are using their intelligence agencies to reverse the outcome of the Cold War