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U.S. President Donald Trump, joined by Republican lawmakers, holds a gavel after signing the "One, Big Beautiful Bill" Act into law during an Independence Day military family picnic on the South Lawn of the White House on July 04, 2025 in Washington, DC. (Photo by Eric Lee/Getty Images)

Congress Shrinking from the World: the Constitution’s Article I in the Shadow of Trump 2.0

Congress has revealed itself less as a coequal branch and more as an accomplice in the marginalization of its own constitutional role in foreign and national security policy.

Manifestly Illegal: Israeli International Law Scholars on the Stated Plan to “Concentrate” the Palestinian Population in South Gaza

Israeli international law scholars send urgent letter to Israel’s Minister of Defense, the IDF Chief of Staff, the Attorney General.

Our Duty to Explain Israel’s Operation to “Concentrate and Move Population” in Gaza is a Manifest War Crime

We wrote this essay to fulfill our human, conscientious, and civic duty, as Israelis – and as Zionists – who have expertise in areas related to the IDF’s order.
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.
ARLINGTON, VIRGINIA - JUNE 26: Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine turns to watch a video of a bombing test of the GBU-57A/B Massive Ordnance Penetrator (MOP) used in the attack on the Iranian Fordow Fuel Enrichment Plant during a news conference with U.S. Defense Secretary Pete Hegseth at the Pentagon on June 26, 2025 in Arlington, Virginia. The Department of Defense top officials gave an update after three Iranian nuclear facilities were struck by the U.S. military last weekend and Iran countered by launching missiles at Al Udeid Air Base in Doha, Qatar. (Photo by Andrew Harnik/Getty Images)

The U.S. Attack on Iran Was Unconstitutional

Trump’s strike on Iran violated constitutional limits on the president's unilateral power to take the nation to war—an authority the Framers reserved for Congress.
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
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.
Ukrainian rescuers work to extinguish a fire in a trolleybus depot following a drone strike in Kharkiv on May 30, 2025, amid the Russian invasion of Ukraine.(Photo by SERGEY BOBOK/AFP via Getty Images)

Can Trump Seize a Win in Ukraine?

It’s in Trump’s hands to deliver the logic of force: to rally the West, to back Ukraine, squeeze Russia, and set the stage for a win for Ukraine, the free world, and the U.S.
Secretary Noem posts an Instagram reel on April 8, 2025 with the text message: "Human traffickers. Drug Smugglers. 18th Street Gang members. Spent the morning in Phoenix with our brave @icegov and Arizona law enforcement arresting these dirtbags and getting them off of our streets."

What are “Wartime Authorities” and When Can the President Use Them? An Expert Q&A

It is essential to understand the line between war and peace, scrutinize the application of wartime powers, and interrogate the president’s assertions when he triggers them.
This picture taken from a position in southern Israel, on the border with the Gaza Strip, shows destroyed buildings in the besieged territory on May 27, 2025. (Photo by JACK GUEZ/AFP via Getty Images) 

The Illegality of Israel’s Military Offensive in Gaza

Analysis of jus ad bellum with Israel’s stated objectives for its current military operations in Gaza.
U.S. Secretary of Defense Pete Hegseth talks with Panama Canal Administrator Ricaurte Vasquez in front of a Panama Canal sign.

Ambiguity Is Not Authorization: The Neutrality Treaty Does Not Justify U.S. Military Intervention in Panama

U.S. Military intervention in Panama would violate fundamental international norms and find no justification in the Neutrality Treaty.
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