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HARVARD Kennedy School - Belfer Center for Science and International Affairs
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A nuclear missile on parade
Associated Press

Nuclear Issues

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Meghan O'Sullivan is interviewed on Foreign Policy Live
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The New Geopolitics of Energy: Foreign Policy Live

Apr. 6, 2026

From Geopolitics of Energy Project

  • Posters of late Hezbollah leader Sayyed Hassan Nasrallah and the late Iranian revolutionary founder Ayatollah Khomeini, posted on a pole in front of a destroyed building in Beirut.
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    Reports & Papers

    The Degradation of Iran’s Proxy Model

    April 2026 by Lina Khatib
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    Public Domain
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    Too Brutal for War: Comparing Rationales for Weapon Taboos

    2026 by David Minchin Allison, Stephen Herzog and Lauren Sukin
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    The Unintended Consequences of German Deterrence

    Feb. 24, 2026 by Ulrich Kuhn

Programs working on Nuclear Issues

Research teams across the Belfer Center bring varied expert insights and policy recommendations for nonproliferation efforts and stronger international security

  • International Security Program
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The Curiosity Desk: What Is Enriched Uranium, Exactly?

Apr. 6, 2026
In The News
from WGBH News
WGBH logo

The New Geopolitics of Energy: Foreign Policy Live

Apr. 6, 2026
Event Summary
from Foreign Policy
40 minutes
Meghan O'Sullivan is interviewed on Foreign Policy Live
Foreign Policy

The Degradation of Iran’s Proxy Model

April 2026 by Lina Khatib
Reports & Papers
from Belfer Center for Science and International Affairs
Posters of late Hezbollah leader Sayyed Hassan Nasrallah and the late Iranian revolutionary founder Ayatollah Khomeini, posted on a pole in front of a destroyed building in Beirut.
AP Photo/Hussein Malla

Will Iran Abandon Its Nuclear Ambitions?

Mar. 27, 2026
In The News
from Bidon Waraq Plus

Jake Sullivan: The Iran War, Trump, and U.S. Foreign Policy

Mar. 23, 2026
In The News
from The Daily Show
The Daily Show

Too Brutal for War: Comparing Rationales for Weapon Taboos

2026 by David Minchin Allison, Stephen Herzog and Lauren Sukin
Article
from Journal of Peace Research
Cluster bomb
Public Domain

Trump's Grounds For Concern: Will The US Risk Lives To Take Iran's Uranium?

Mar. 19, 2026
In The News
from France24
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The Stunning Failure of Iranian Deterrence

Mar. 19, 2026
In The News
from Foreign Affairs
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1 of 255
HARVARD Kennedy School - Belfer Center for Science and International Affairs

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