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.

Highlights:

A bullet proof vest carrying a patch with the Democratic Republic of Congo (DRC) flag and a ballistic helmet are lying in an empty road that stretches into the background, alongside other personal belongings. Mountains can be seen stretching across the photo in the background.

Rwanda–DRC Peace Deal: Trump Owns It. Now What?

Trump's Rwanda-DRC peace deal inherits six months of failed implementation, unmet security commitments, and a worsening humanitarian crisis in eastern Congo.
A member of the Ukrainian army and a policeman stand near body bags exhumed from a mass grave where civilians where buried in Bucha, on the outskirts of Kyiv, on April 13, 2022, amid Russia's military invasion launched on Ukraine. - A visit by the International Criminal Court's chief prosecutor to Bucha -- the Kyiv suburb now synonymous with scores of atrocities against civilians discovered in areas abandoned by Russian forces -- came as the new front of the war shifts eastward, with new allegations of crimes inflicted on locals. (Photo by FADEL SENNA/AFP via Getty Images)

History and International Law Proscribe Amnesties for Russian War Crimes

Compromising on prosecutions for Russian atrocities would erode the system of international justice built since Nuremberg and undermine the rule of law itself.
Alternating American flags and United Nations flags, set around a pole, wave in the wind.

Does the United States Still Oppose Torture?

The U.S. broke with decades of UN consensus by voting against a resolution condemning torture, prompting global concerns about American commitments to human rights.
(L-R) British Prime Minister Keir Starmer, Finnish President Alexander Stubb, Ukrainian President Volodymyr Zelensky, U.S. President Donald Trump, French President Emmanuel Macron, Italian Prime Minister Giorgia Meloni, German Chancellor Friedrich Merz, and NATO Secretary General Mark Rutte

The Quiet Rebalance in Transatlantic Intelligence

Recent developments are deepening European officials' existing unease about Washington's steadiness as a security partner.
The US Navy warship USS Sampson (DDG 102) docks at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

Timeline of Vessel Strikes and Related Actions

A timeline that chronicles major events in the Trump administration’s campaign of lethal strikes against suspected drug traffickers in the Caribbean and Eastern Pacific.
WASHINGTON, DC - JUNE 18: U.S. Secretary of Defense Pete Hegseth arrives to testify before the Senate Armed Services Committee in the Dirksen Senate Office Building on June 18, 2025 in Washington, DC. The Committee met to hear testimony on the proposed budget request for fiscal year 2026 and the future year's defense program for the Department of Defense. (Photo by Kayla Bartkowski/Getty Images)

U.S. Boat Strike Campaign: Questions Congress Should Ask Executive Branch Officials

A list of questions that should be answered by U.S. government officials regarding the lethal campaign against suspected drug trafficking individuals, groups, and vessels.
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Image of a room at a United Nations meeting in 2016, with seats and desks arranged in a semi-circle in front of a screen where the speaker is addressing the audience via video.

As the U.N. Seeks Its Next Secretary-General, a Growing Number of Countries Favor a Woman for the Post

Research analyzing statements by U.N. member states shows at least 94 interested in seeing a woman become the next secretary-general for the first time.
Gavel and scales with a US flag in the background as symbols of a jurisdiction.

Litigation Tracker: Legal Challenges to Trump Administration Actions

A public resource tracking all the legal challenges to the Trump administration's executive orders and actions.
In this pool photograph distributed by Russian state agency Sputnik, Russia's President Vladimir Putin (R) greets US Special Envoy Steve Witkoff (L) prior to their talks in Moscow on April 25, 2025. (Photo by KRISTINA KORMILITSYNA/POOL/AFP via Getty Images)

Why a Ukraine-Russia Amnesty Would Violate Geneva Convention Obligations

An amnesty in any future peace plan would be unlawful and a moral abdication of the pursuit of accountability for victims in Russia's war in Ukraine.
A young boy looks on at the site of an Israeli airstrike in Deir al-Balah on December 9, 2025, which resulted in a Palestinian man being killed.

An Analysis of Resolution 2803 and the International Stabilization Force: A Militarized Enforcement Mission with Precarious Legal and Strategic Implications

UN Resolution 2803 authorizes a Gaza stabilization force under U.S. guidance, raising questions about legality, impartiality, and risks to Palestinian self-rule.
Sign in front of the Department of State in Washington, D.C. (via Getty Images)

Global Corruption, Local Hypocrisy: The Promises and Pitfalls of the U.S. Combating Global Corruption Act

The Combating Global Corruption Act presents an imperfect but useful opportunity to rebuild the U.S. government’s anti-corruption practices.
U.S. President Donald Trump (R) and South Korean President Lee Jae-myung talk to reporters before an Oval Office meeting at the White House on August 25, 2025 in Washington, DC. During Lee's first official visit to the White House, the two leaders are set to discuss trade and military cooperation to counter North Korea and China, South Korea's top trade partner. (Photo by Chip Somodevilla/Getty Images)

Legal and Policy Options for a U.S-South Korea Nuclear Submarine Program

Trump’s announcement 'approving' a nuclear-powered submarine plan with South Korea contradicts U.S. law requiring specific terms, agreements, and congressional review.
Two women sit inside a dark concrete shelter, one on a single bed draped in what appears to be blue mosquito netting, the other on a low stool, in Adwa, Ethiopia on March 30, 2025. A window with bars in the top right of the image provides a little light. Buckets and what appear to be cooking implements sit on the barren floor.

In Ethiopia, an Unfinished Peace Risks Betraying the People of Tigray and the Broader Region

A confluence of factors threatens to reignite the conflict in Ethiopia's Tigray region, exacerbating displacement and human suffering, and destabilizing the entire region.
A photo of the clouds and sun

As Solar Geoengineering Enters its Startup Phase, Governments Must Address Emerging Security Risks

Without regulation, the dangers of solar radiation modification will become magnified and the security risks more unchecked.

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The Just Security Podcast Cover Image

The Just Security Podcast: Murder on the High Seas Part IV

Co-hosted with RCLS, a panel of experts discuss the Trump administration's continued campaign of lethal strikes against suspected drug traffickers.
President Donald Trump meets with Argentina’s President Javier Milei at the Gaylord National Resort & Convention Center in Oxon Hill, Maryland, on Saturday, February 22, 2025. (Official White House Photo by Molly Riley)

What Tariffs and the Argentina Bailout Can Tell Us About the Perils of Financial Statecraft

When the U.S. doesn't appreciate the role of finance in geopolitics, it risks mismanaging its responsibilities—and in the process creating economic and political instability.
Members of Venezuelan army stand at a table showing weapons to a crowd of civilian onlookers.

As Trump Presses for a Post-Maduro Venezuela: Questions, Lessons, and Warnings for the Aftermath

As the Trump administration positions for possible military strikes, it would be wise to prepare for looming governance and stability challenges in Venezuela.
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