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A plume of smoke rises above road traffic after an explosion on March 2, 2026 in Tehran, Iran. The United States and Israel continued their joint attacks that erupted on February 28. Iran retaliated by firing waves of missiles and drones at Israel, and targeting U.S. allies in the region. (Photo by Majid Saeedi/Getty Images)

Aggression by the United States and Israel, Misdirected Self-Defense by Iran, and Collective Self-Defense of Gulf States

Analysis of the legality of U.S.-Israel actions against Iran, Iran’s response, and third-party states’ legal options and obligations under the UN Charter.
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.
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.
Protesters hold Iranian pre-Islamic revolution of 1979 flags in front of the United Nations office in Geneva​, Switzerland on February 17, 2026.

What the Current Crises Facing Iran Mean for Human Rights and Rules on the Use of Force

The human rights crisis in Iran reveals the limits of a legal system designed to restrain force even when restraint carries profound human costs.
A blue banner reads "#UNGA80" in large letters, and below that, it says, "At 80, the UN is upgrading to meet the moment."

The Results of UN80: Reform or Decline?

UN80’s promise of renewal risks fading into bureaucracy. The United Nations must reform honestly, protect its mission, and adapt to survive amid resurgent power politics.
Denmark's Veterans hold Denmark and Greenland's flags.

Greenland Post-Davos: Enforcing 22 USC 1928f to Save NATO and Contain Trump’s Lawless Foreign Policy

In his threats against Greenland, President Trump has violated the U.N. Charter, the North Atlantic Treaty, and Section 1928f, prompting Congress to take swift action.
A person enjoys an afternoon walk near the sea on January 15, 2026 in Nuuk, Greenland. (Photo by Alessandro RAMPAZZO / AFP via Getty Images)

How Congress Can Preserve NATO and Greenland: Using 22 USC 1928f to Protect the Peace

Trump’s threats to invade Greenland risk destroying NATO itself, but a little-known statute, 22 U.S.C. 1928f, could prevent him from doing just that.
NATO Leaders join King Willem-Alexander and Queen Máxima of the Netherlands for a family photo as they participate in the 2025 NATO summit on June 24, 2025 in The Hague, Netherlands. (Photo by Haiyun Jiang-Pool/Getty Images)

The North Atlantic Treaty and a U.S. Attack on Denmark

Would NATO have to defend Denmark if the United States attempted to seize Greenland? Article 5 suggests other allies are obligated to come to Denmark's defense if requested.
WASHINGTON, DC - DECEMBER 02: U.S. Secretary of Defense Pete Hegseth (R) looks on as U.S. President Donald Trump speaks during a meeting of his Cabinet in the Cabinet Room of the White House on December 02, 2025 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)

Expert Q&A on U.S. Military Actions in Venezuela and Boat Strikes

Expert FAQ on the U.S. military operations against Venezuela, high seas boat strikes, seizure of vessels and more.

Maduro Capture Operation and the President’s Duty to Faithfully Execute U.N. Charter

A decades-old Office of Legal Counsel memorandum claiming the President can disregard the UN Charter does not withstand serious scrutiny.
A U.S. Air Force A-10 Thunderbolt II taxis at a base in the U.S. Central Command area of responsibility, Dec. 19, 2025. (U.S. Air Force photo)

Operation Hawkeye Strike: Attacking ISIS in Syria and International Law

International law, the new Syrian government, and U.S. military strikes against ISIS
Industrial fishing nets that appear to be dark red in color, along with their white floats, are spread out across the bottom two-thirds of the image, with fishermen walking among them and seagulls flying overhead, against a backdrop of a large paved area where a few cards are driving in front of an array of white warehouse-like buildings in the background. (Photo by ABDEL MAJID BZIOUAT/AFP via Getty Images)

A U.S.-Russia-China Entente? The Unmaking of the Sovereignty System via the Western Sahara

U.N. Security Council Resolution 2797 endorses Morocco's Autonomy Plan for Western Sahara, normalizing domination in a U.S.-China-Russia tripolar order.
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