For decades, Joseph Nye was one of the true giants of American foreign policy. His career, in government and in the academy, spanned epochs, and his body of work as a scholar of international relations remains unparalleled.
Nye, who passed away at the age of 88 in May, served in the Carter and Clinton administrations and headed the Harvard Kennedy School for nearly two decades. But he may be best known for his contributions to the study of international relations. Nye coined the term “soft power” and co-authored Power and Interdependence, a pathbreaking analysis of geopolitics, with Robert Keohane.
Fifty years later, Nye and Keohane, longtime colleagues and friends, reunited for a final time in Foreign Affairs’ pages, to argue that President Donald Trump’s single-minded fixation on hard power risks weakening the real sources of U.S. strength. It is a fitting, if not exactly valedictory, culmination of a life in the American century.
Over the decades, Keohane got to know Nye the thinker and Nye the man better than almost anyone. Dan Kurtz-Phelan spoke with Keohane about Nye’s legacy and about what a changing American foreign policy will mean for the future of international relations.
You can find sources, transcripts, and more episodes of The Foreign Affairs Interview at https://www.foreignaffairs.com/podcasts/foreign-affairs-interview.
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The Coming Nuclear Hurricane
It wasn’t long ago that both heads of state and prominent policymakers could speak seriously about a world without nuclear weapons. But in the course of just a few years, nuclear concerns have come back in force. Arms control has broken down almost entirely. China has started a massive expansion of its arsenal, putting basic assumptions about deterrence in doubt. Vladimir Putin has threatened nuclear use in Ukraine—threats that were taken very seriously by American officials. And proliferation risks have grown, with regard to both American adversaries like Iran and American allies in Europe and Asia who may no longer trust security commitments from the United States.
Vipin Narang and Pranay Vaddi until recently oversaw nuclear policy in the Pentagon and on the National Security Council. In a new essay for Foreign Affairs, they call the situation nothing short of a “Category 5 hurricane.” And for the United States, that means putting nuclear strategy back at the center of foreign policy.
Editor-at-large Hugh Eakin spoke with Narang and Vaddi about this changing nuclear landscape and what the United States must do to survive this new nuclear age.
You can find sources, transcripts, and more episodes of The Foreign Affairs Interview at https://www.foreignaffairs.com/podcasts/foreign-affairs-interview.
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Preparing for the World After Trump
For all its promise of disruption, Donald Trump’s first term as president transformed American foreign policy less than most critics feared and some supporters hoped. Alliances held up, the rules-based order largely endured, and American global leadership appeared resilient. When Joe Biden was elected president in 2020, he could proclaim “America is back” and proceed with a foreign policy that was in many ways quite traditional.
But Trump’s second term has been different. In just a few months, he has broken with decades of precedent on everything from trade to alliances. And as Rebecca Lissner and Mira Rapp-Hooper argue in a new Foreign Affairs essay, this time there will be no going back. Trump’s presidency will fundamentally change American leadership and global order.
As senior officials on Biden’s National Security Council, Lissner and Rapp-Hooper helped chart the way forward after Trump’s first term. They argue that the task now is to understand and, in a few regards, learn from the consequences of Trump’s disruption. Contending with the world after Trump will be a tall order. But they also see it as an opportunity: a clean slate on which to write the future of American foreign policy.
You can find sources, transcripts, and more episodes of The Foreign Affairs Interview at https://www.foreignaffairs.com/podcasts/foreign-affairs-interview.
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What a Stronger Europe Means for America
For years, U.S. presidents have complained that European governments spend far too little on their militaries, leaving the United States to pick up a disproportionate share of the tab for the transatlantic alliance. But in the past few years, Europe’s defense spending has exploded.
At the NATO summit last week, U.S. allies committed to spending five percent of GDP on defense. That’s far more than the two percent target U.S. policymakers long called for. It’s even more than the United States itself spends on defense—the result of both escalating pressure from U.S. President Donald Trump and escalating threats from Russian President Vladimir Putin.
But Celeste Wallander, until recently the top defense official overseeing U.S. policy toward Europe and Russia, warns in a new Foreign Affairs essay that this transformation will have more complicated consequences than most Americans expect. A more capable Europe will also mean a more independent Europe, more willing to defy U.S. priorities and make demands for cooperation.
Wallander has been a key player in the transatlantic alliance as a top official on the National Security Council and in the Pentagon, including as assistant secretary of defense for international security affairs during the Biden administration. She is now executive director of Penn Washington and an adjunct senior fellow at the Center for a New American Security. The United States, in her view, will have to take a very different approach to the transatlantic alliance—at a time when it’s as vital as ever, in Ukraine and beyond.
You can find sources, transcripts, and more episodes of The Foreign Affairs Interview at https://www.foreignaffairs.com/podcasts/foreign-affairs-interview.
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How Weak Is Iran?
Donald Trump pledged not to entangle the United States in wars in the Middle East. But last weekend, he joined Israel’s air campaign against Iran, bombing three nuclear sites before claiming that Iranian facilities targeted by U.S. aircraft and missiles had been “obliterated.” Iran responded by firing missiles at U.S. bases in the region just before Washington announced a cease-fire.
But key questions remain unanswered—about the risk of continued fighting, about Iran’s nuclear capability and ambitions going forward, and about the shifting balance of power and rapidly changing regional order in the Middle East.
To make sense of the conflict, Dan Kurtz-Phelan spoke with Eric Edelman, Suzanne Maloney, and Andrew Miller. All three have served in senior positions overseeing U.S. Middle East policy in the White House, the State Department, and the Defense Department across multiple administrations. They spoke on June 25 about the war’s escalation and abrupt de-escalation and about its long-reaching consequences—for Iran, for Israel, and for the United States.
You can find sources, transcripts, and more episodes of The Foreign Affairs Interview at https://www.foreignaffairs.com/podcasts/foreign-affairs-interview.
Foreign Affairs invites you to join its editor, Daniel Kurtz-Phelan, as he talks to influential thinkers and policymakers about the forces shaping the world. Whether the topic is the war in Ukraine, the United States’ competition with China, or the future of globalization, Foreign Affairs’ weekly podcast offers the kind of authoritative commentary and analysis that you can find in the magazine and on the website.