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​Grey boxes filled with fragments of ancient pottery collected after an Israeli strike near the archaeological site of the Roman hippodrome in the southern Lebanese city of Tyre.

Self-Preservation and the Erosion of International Law

It is the violation of fundamental principles of international law that ultimately constitutes an existential threat to all members of the international community.

Fighting an Illegal War and Fighting a War Illegally: the Link between Regime Change Operations and International Humanitarian Law Violations

The relationship between regime change and IHL is of inherent tension, incentivizing battlefields where the law is viewed as an obstacle rather than an essential constraint.
Wide view of Tehran’s skyline with several tall plumes of grey smoke rising between apartment buildings under a hazy, grey sky.

An Unserious Justification for an Unnecessary War: Assessing the U.S. “Article 51” Letter to U.N. on Iran War

Former US State Department attorney writes that the United States' "Article 51" letter to the UN Security Council fails to identify legal basis for Iran attack.
Screenshot of Memorandum for Legal Advisor, National Security Council Re: Proposed War Department Operation to Support Law Enforcement Efforts in Venezuela, published December 23, 2025.

The Trump Administration’s Theory of Constitutional War Powers: “The President Could Decide”

The legal memo justifying its Venezuela operations provides insight into the administration's use-of-force decisions and the factual evidence undergirding them.
Bronze Lady Justice statue with balanced scales stands beside a wooden judge’s gavel resting on a law book, in front of a stack of legal volumes on a dark background.

When the Warning Bells Ring: Judicial Awareness in War

By heeding the warning bells and embracing a do‑no‑harm principle, international courts can denounce abuse while preserving the credibility of international justice.
3D rendering of the scales of justice and a wooden gavel on a desk (via Getty Images).

International Criminal Court Intervention in Civil Wars: A Tradeoff Between Atrocity Prevention and Peace

Although ICC intervention does appear to deter atrocities, on balance, its involvement in ongoing civil wars fails to facilitate peaceful settlement in most cases.
U.N. Security Council members seated in a circular chamber raise their hands to vote unanimously for Resolution 808 establishing a war crimes tribunal for the former Yugoslavia, 22 February 1993.

Pursuing Truth, Not Peace: International Courts’ Limited Ability to Help End Wars

International courts rarely end wars, but when designed humbly, creatively, and fairly, they can help parties choose law over war—turning justice into a path toward peace.
Smoke rising during Israeli bombardment of the Gaza Strip

Unpacking Key Assumptions Underlying Legal Analyses of the 2023 Hamas-Israel War

"Conversations of this nature are useless if their participants fail to acknowledge their differences of opinion about underlying assumptions."
The General Assembly of the United Nations with a voting board that reads "In Favor 141, Against 5, Abstention 35."

The Future Battlefield: Governed by International Law or Kriegsraison?

Russia's justifications for its invasion of Ukraine and the international response demonstrate the enduring relevance of international law.
WASHINGTON, DC - AUGUST 01: U.S. President Joe Biden speaks from the Blue Room balcony of the White House on August 1, 2022 in Washington, DC. Biden announced that over the weekend, U.S. forces launched an airstrike in Afghanistan that killed al-Qaeda leader Ayman Al-Zawahiri. Zawahiri, 71, took over leadership of al-Qaeda in 2011, shortly after American forces killed Osama bin Laden. The president said there were no civilian casualties. (Photo by Jim Watson-Pool/Getty Images)

What Was the International Legal Basis for the Strike on al-Zawahiri?

Serious questions need to be addressed in order to establish that both the killing of Zawahiri, and the use of force against Afghanistan, were not violations of international law.
Two tall greyscale rectangles cast dark shadows representing the Twin Towers. Text reads, “How Perpetual War Has Changed Us: Reflections on the 20th Anniversary of 9/11”

Paradigm Shift: The Consequences of Choosing a War Path, and Leaving It

We owe it to the next generation to grapple now with the consequences of remaining at war -- as well as the consequences of choosing not to be -- lest we find ourselves reflexively…
A AFP journalist views a video on January 25, 2019, manipulated with artificial intelligence to potentially deceive viewers, or "deepfake" at his newsdesk in Washington, DC.

Protecting the Information Space in Times of Armed Conflict

What, if any, limits exist concerning digital information operations in armed conflict? Does the humanitarian legal framework adequately capture the protection needs that arise…
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