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A plume of smoke rises following a reported explosion in Tehran on February 28, 2026. Israel's defence ministry announced February 28 it had launched a "preemptive strike" on Iran as sirens sounded in Jerusalem and people across the country received phone alerts about an "extremely serious" threat.

International Reactions to Military Strikes on Iran: A Tipping Point for the UN Charter?

Positions taken at the UN Security Council are a harbinger of whether the legal cornerstone of the international order that is designed to maintain world peace can hold.
Flags of USA and Iran

Top Experts’ Backgrounder: Military Action Against Iran and US Domestic Law

Experts who advised a president on use of force answer a full range of basic questions on the conditions under which action against Iran would be lawful, and what options Congress…
Two small children unload white bags off of a big white truck with a Red Crescent sign on the side, at dusk. A woman fully covered in a black chador stands next to the truck with her back to the camera.

Syria’s Al-Hol Camp Is Closed, But Another Remains, as Does International Responsibility

Responsible states can end the chaos and suffering in remaining camps like Roj by repatriating detainees and upholding their obligations to their citizens.
Three men wearing prostheses and a woman in a colorful long dress sit in a mostly empty room with bare floors and light coming from windows at the back.

Risk of Renewed War in Tigray: Painful Reminders From Ethiopia’s Last War Demand Action to Prevent Another

With the possibility of renewed fighting in Ethiopia's Tigray region, reminders of the toll and recommendations for the world to take preventive action.
U.S. Defense Secretary Pete Hegseth gestures near a podium in front of an American flag.

Big Tech’s Moment of Truth on AI Safety

AI companies should resist the urge to undercut Anthropic and use their collective leverage to make clear that access to frontier models comes with limits.
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.

How to Prevent the U.N. Global Counterterrorism Strategy Negotiations from Blowing Up

As the UN marks 20 years of its Global Counterterrorism Strategy, co-facilitators must steer fraught negotiations to protect human rights and preserve consensus.
EU and Ukrainian flags fly in the wind in front of the Berlaymont, the EU Commission headquarter for the 4th year anniversary of the full scale invasion of Ukraine by Russia, on February 23, 2025 in Brussels, Belgium. (Photo by Thierry Monasse/Getty Images)

Toward A Just and Lawful Peace in Ukraine: Part II

As the war in Ukraine continues to unfold, international lawyers must keep insisting that law be injected into diplomacy and accountability into power politics.
U.S. President Donald Trump speaks alongside Secretary of Commerce Howard Lutnick (C) and U.S. Trade Representative Jamieson Greer (R) during a press briefing held at the White House February 20, 2026 in Washington, DC. (Photo by Anna Moneymaker/Getty Images)

What Just Happened: Tariffs Are Gone and Then Back Again

The SCOTUS decision on Trump's tariffs, and the president’s subsequent reaction, leave many questions about tariff rates and what comes next.
Headquarters of the New York Police Department, Manhattan New York, February 22, 2026 (photo by Melissa Bender)

FBI’s “Stand Down” Directive to NYPD on Jeffrey Epstein Investigations, and More

The most comprehensive timeline to date of the publicly available record on New York law enforcement authorities’ action and inaction with regard to Epstein, Ghislaine Maxwell…
Abraham Lincoln (CVN 72) sails alongside Arleigh Burke-class guided-missile destroyer USS Frank E. Petersen Jr. (DDG 121) and Lewis and Clark-class dry cargo ship

Expert Q&A: Are U.S. Threats or Use of Force Against Iran Lawful?

Experts examine the international law issued raised by the U.S. threats and potential strikes against Iran.
A U.S. Immigration and Customs Enforcement agent's back is to the camera, facing the front door of an apartment building during an immigration raid or enforcement operation.

ICE Administrative Warrants and the Fourth Amendment: A Response to the DHS General Counsel

DHS says ICE agents can enter homes to arrest noncitizens using administrative warrants, without judicial oversight. DHS's position has no legal basis.
Ukrainian President Volodymyr Zelenskyy speaks at the Diplomatic Conference for the Adoption of the Convention Establishing a Special Tribunal for the Crimes of Aggression Against Ukraine at the Hague on December 16, 2025 (via Council of Europe Media Gallery)

Toward A Just and Lawful Peace in Ukraine: Part I

A review of what law and lawyers have contributed toward the goal of a just and lawful peace in Ukraine over the past four years.
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