Diplomacy

Just Security’s expert authors offer analysis of diplomacy and its role in addressing global challenges, from armed conflicts to international crises and more. Our coverage includes U.S. foreign policy, international organizations, and multilateral diplomacy related to critical global issues.

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2,866 Articles
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.
Collage of the Israel-Iran conflict

Collection: Iran-Israel/United States Conflict

Experts analyze critical dimensions of Israel’s strikes relevant responses, covering nuclear diplomacy; strategic, security, and regional implications; and international law.
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.
A man walks past an infrastructure project underway for COP30 in Belem, Para state, Brazil

COP 30 Must Not Cop Out

Brazil, the Parties, and other stakeholders should ensure the issue of "nationally determined contribution" emission targets lie at the heart of COP 30.
U.S. Navy officers stand guard aboard the Virginia-class fast-attack submarine USS Minnesota after the vessel docked at HMAS Stirling in Rockingham, Western Australia, on February 26, 2025, during a port visit. (Photo by COLIN MURTY/POOL/AFP via Getty Images)

The Pentagon’s AUKUS Review is an Opportunity — If Done Right

The success of AUKUS is important for validating and refining a kind of joint defense model that the United States can use to forge more productive partnerships.
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.
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