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"Peace Through Strength" has long been a mantra in American foreign policy. Yet peace never seems to arrive despite all the strength. Instead, the Pentagon budget soars toward $1 trillion, and the U.S. military is being used to coerce and bomb other countries into submission once more — even after the cascading interventionist disasters of the post-9/11 period. In this episode, historian Brandan Buck charts the origins of "peace through strength" and reflects on the overlooked tradition of anti-war conservatism from the early 20th century.

Recommended reading:

When Peace Through Strength Means War is Peace by Brandan Buck and Beckett Elkins (The American Conservative)

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Nearly three weeks into launching an unprovoked attack on Iran, whose supreme leader was assassinated in an Israeli air strike, it has become clear that President Trump and his national security team badly misjudged their enemy. The regime is surviving. And, according to expert Vali Nasr, Iran is transitioning to an IRGC-led state with even more uncompromising leadership. Unintended consequences were, therefore, inevitable because key U.S. decision-makers misunderstood Iran and ignored intelligence warnings about the unlikelihood of regime collapse. Vali Nasr teaches Middle East studies at the Johns Hopkins School of Advanced International Studies. He is the author of "Iran's Grand Strategy: A Political History."

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Thirty-five years ago, a U.S. administration built an international coalition and received congressional authorization to fight a major war in the Middle East. Today, an American president leaps into war with a videotaped announcement and not a peep of public debate. In this episode, historian Jeffrey Engel compares and contrasts the First Gulf War of 1990-91 to today's U.S.-Israeli onslaught on Iran. In some important ways, today's conflict was made possible by the earlier war, which, at the time, was considered a decisive victory. But there were unintended consequences: the U.S. has been unable to extract itself from the Middle East.

Historian Jeffrey Engel is the founding director of the Center for Presidential History at Southern Methodist University. He's the author of When the World Seemed New: George H. W. Bush and the End of the Cold War.

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What is neoliberalism? Is it to blame for the crisis of American democracy? In this follow-up episode to What is Neoliberalism?, the historian Nelson Lichtenstein discusses the enormous economic changes that have transformed American capitalism, from free trade to global financialization following the Cold War's final chapter. Rather than "neoliberalism," today's complex problems would seem to need a new lexicon.

Recommended reading:

A Fabulous Failure: The Clinton Presidency and the Transformation of American Capitalism

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The regionwide war now engulfing the Greater Middle East has threatened to involve Turkey, after Iranian ballistic missiles headed for the country were successfully intercepted by NATO air defenses. Also, last month, former Israeli prime minister Naftali Bennett warned that a "new Turkish threat is emerging," accusing Ankara of plotting to encircle Israel with Islamist allies. In this episode, historian Howard Eissenstat explains Turkey's real interests in the war's outcome and why its relationship with Israel is dangerously deteriorating.

Howard Eissenstat teaches at St. Lawrence University and the Stockholm University Institute of Turkish Studies (SUITS). Eissenstat's research focuses on the intersection of nationalism, religious identity, and policy in the Turkish Republic.

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The Nazis were in many ways unique, but the Army psychiatrist who evaluated the two dozen defendants at Nuremberg in 1945 saw in Germany's war criminals the potential for authoritarianism in all societies, including America. Douglas Kelley's warnings were not well received at the time, but they resonate today, as unaccountable authoritarian figures make war in Europe, the Middle East, and elsewhere. Author Jack El-Hai is our guest.

Jack El-Hai is a magazine writer and nonfiction author who covers history, medicine, and crime. Among his many books is The Nazi and the Psychiatrist: Hermann Göring, Dr. Douglas M. Kelley, and a Fatal Meeting of Minds at the End of WWII.

Credit: Audio excerpts are from Nuremberg (2025), Sony Pictures Classics.

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In wars from Eastern Europe to the Greater Middle East, new technologies and tactics are transforming some battlefields, while in other theaters, warring states are leaning on failed ideas and magical thinking to somehow produce different and better outcomes — all while civilians shudder under the earth-shaking power of missiles and bombs. In this episode, Anatol Lieven of the Quincy Institute for Responsible Statecraft reflects on the changing face of battle and the old mistakes repeated by modern statesmen.

Recommended reading:

Ukraine marks biggest evolution in military tactics since WWII by Anatol Lieven (Responsible Statecraft)

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Is the U.S.-Israeli war against Iran legal under international law? Did President Donald Trump fulfill his oath to the Constitution before hurling the country into another war in the Greater Middle East? And what about Iran's retaliation, which is sending missiles and drones into Gulf States aligned with the U.S? In this episode, Adil Haque, an expert on international law and the ethics of war, answers pressing questions about the new conflict threatening to pitch the Greater Middle East into chaos.

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Subscribe for early access, ad-free listening, and bonus content! HAIH Premium subscribers got this episode on Monday, March 2.

This is the third episode in an occasional series for the 250th anniversary of the Declaration of Independence.

The idea of the frontier compelled Americans to seek new lands and independence since before the days of the American Revolution. Before the United States became a powerful global empire, ordinary Americans sought to conquer a continent, making war against Native Peoples. In this episode, historian Alan Taylor explains what drove common farmers to cross the Appalachians despite a royal proclamation forbidding such settlement.

Alan Taylor is professor emeritus of history at the University of Virginia and a two-time Pulitzer Prize winner.

America250 podcast series:

Episode 1: Thomas Paine's Common Sense

Episode 2: Ideas of the American Revolution

Recommended reading:

American Revolutions: A Continental History, 1750-1804 by Alan Taylor

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Editor's note: Shortly after this episode was published, news broke that Iran's Supreme Leader, the Ayatollah Ali Khamenei, was killed in an air strike.

Americans awoke on Saturday to learn their leaders, along with Israel, launched another unprovoked air attack against Iran. Unlike last June's 12-day-long war, President Donald Trump says the goal this time around is to topple the clerical regime in Tehran so the Iranian people can rise up. Historian Jeremi Suri, an expert on U.S. foreign policy, joins this special episode of History As It Happens to assess the start of another U.S. war of choice in the Greater Middle East.

Historian Jeremi Suri teaches at the LBJ School of Public Affairs at the University of Texas at Austin. He co-hosts This is Democracy podcast and co-writes Democracy of Hope newsletter.