Diplomacy

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A woman poses for pictures next to the HQ-9B surface-to-air missile system (L) and the HQ-19 surface-to-air missile system during the 15th China International Aviation and Aerospace Exhibition in Zhuhai, in southern China's Guangdong province on November 15, 2024. (Photo by HECTOR RETAMAL/AFP via Getty Images)

The Future of Arms Control: Time for a New Strategic Framework

Arms control must evolve from a legacy tool of superpower rivalry to a modern instrument of strategic risk management. That work must begin now.
People lay flowers and set candles to memorial

Trump Administration’s Proposed Cuts to Accountability for Mass Atrocities Undermine Its Own Strategic Goals

International accountability efforts are not a misguided moral crusade – they are a core instrument of U.S. national power.
The facade of the ICC building.

Rethinking ICC Reform: Politics, Legitimacy, and the Perils of Expansion Without Consolidation

States should use the Special Session to reinforce the ICC’s foundations and ensure it can credibly discharge its existing mandate.
The Just Security Podcast

The Just Security Podcast: Is There a Diplomatic Path for Iran’s Nuclear Program? An Interview with Richard Nephew

Just Security’s Tess Bridgeman is joined by Richard Nephew to discuss where things stand and what a path forward for Iran's nuclear program might look like.
U.S. Ambassador to the United Nations Dorothy Camille Shea speaks during a Security Council Meeting on the Israel-Iran conflict at United Nations headquarters on June 24, 2025 in New York. (Photo by ANGELA WEISS/AFP via Getty Images)

Assessing the U.S. Article 51 Letter for the Attack on Iran: Legal Lipstick on the Use of Force Pig

Former State Department attorney analyzes U.S. letter to UN Security Council that presented legal arguments for U.S. strike on Iran's nuclear facilities.
Protesters take part in a demonstration against violence against minorities in Syria, with reports saying attacks have killed more than 1,000 mostly Alawite civilians, with Christians being caught up in a wave of violence, outside the International Criminal Court (ICC) in The Hague, on March 15, 2025. Protesters carried signs with slogans such as "Stop the slaughter, no more bloodshed" and "Just one of the massacres." Many held up photographs of bodies lying in the streets, emphasizing the brutality of the ongoing conflict. (Photo by PHIL NIJHUIS/ANP/AFP via Getty Images)

It’s Not Too Late for States Parties to Fulfill the Promise of the International Criminal Court: Three Actions They Should Take Now

The ICC might still play a role in walking humanity back from the brink, if States can find the political will to respect and strengthen the work of the Court.
The Just Security Podcast

The Just Security Podcast: A Ukrainian MP Takes Stock of the NATO Summit and the Prospects for Peace

Ukrainian MP Oleksiy Goncharenko discusses the NATO Summit and the war with Washington Senior Editor Viola Gienger and guest host Lauren Van Metre.
U.S. Defense Secretary Pete Hegseth (L), accompanied by Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine (R), speaks during a news conference at the Pentagon on June 22, 2025 in Arlington, Virginia. U.S. President Donald Trump gave an address to the nation last night after three Iranian nuclear facilities were struck by the U.S. military. (Photo by Andrew Harnik/Getty Images)

President Trump’s Decision to Bomb Iran: From Bad to Worse

Whether newly announced ceasefire actually leads to end hostilities will not change the new reality: a comprehensive agreement is less likely now than before the bombing
US Secretary of Defense Pete Hegseth gestures while standing at a podium, delivering an address at the Shangri-La Dialogue Summit in Singapore on May 31, 2025. Behind him is a blue backdrop with logos and lettering reflecting the event. (Photo by MOHD RASFAN/AFP via Getty Images)

The Trump Administration’s Costly Sidelining of Human Rights in Foreign Policy

The Trump administration’s approach to human rights ignores the real-world downsides and missed opportunities of setting aside human rights as a U.S. foreign policy interest.
Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine discusses the mission details of a strike on Iran during a news conference at the Pentagon on June 22, 2025 in Arlington, Virginia. U.S. President Donald Trump gave an address to the nation last night after three Iranian nuclear facilities were struck by the U.S. military. In the image he is showing the media a graphic that describes the timeline of the operation. (Photo by Andrew Harnik/Getty Images)

The Day After U.S. Strikes on Iran’s Nuclear Program: A Policy and Legal Assessment

An expert policy and legal assessment of the U.S. strikes on Iran's nuclear facilities and what comes next.
The image shows a large hall from above at the rear, with at least 5 rows of desks and chairs arrayed in a crescent facing away from the viewer toward the front of the room, where officials sit at a dais flanked by two large screens on the wall behind them showing speakers giving remarks.

Time for Rightsizing: Change is Coming to the UN Counterterrorism System

The UN80 reform process, done well, offers a chance to streamline sprawling -- and too often harmful -- structures to focus on the U.N.’s core purpose.
France's Minister of Armed Forces Sebastien Lecornu (centre L) and US Secretary of Defense Pete Hegseth (R)

Hidden in the U.S. Army’s New Reform Initiative Is a Warning for Europe

Europe must accept that continued dependence on the United States is not viable and build a fully self-sufficient European defense.
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