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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.
Granite being mined in Ukraine

The U.S.-Ukraine Agreement: Legality and Transparency

The recently announced mineral deal is likely a lawful “sole executive agreement” that the president need not submit to Congress, but subsequent implementing agreements are…

The Just Security Podcast: Keeping Track of the Big Picture–Challenges to Press Freedom and Beyond

A discussion with Rebecca Hamilton about the use of State power and how to identify linkages between individual developments and broader trends in press freedom and beyond.
Ukraine's President Volodymyr Zelensky (R) meets with U.S. President Donald Trump (L) during Pope Francis's funeral at St. Peter's Basilica at the Vatican, on April 26, 2025 in Vatican City, Vatican. (Photo by Office of the President of Ukraine via Getty Images)

How to Land the Emerging Deal on Peace for Ukraine

Negotiations to achieve some kind of end to Russia’s war on Ukraine have reached an intensive phase. Moments of truth lie immediately ahead.
The office of the law firm Perkins Coie is seen on April 10, 2025 in Washington, DC.

No, the President Cannot Enforce the Law-Firm Deals

"First, are these agreements legally enforceable? Second, if not, what principled reasons do the firms have for keeping their part of these bargains?"
Proposed New Org Chart, Department of State

What Just Happened: The Trump Administration’s Reorganization of the State Department – and How We Got Here

The Trump administration’s proposed reorganization of the State Department is not just a reshuffle. It’s a realignment of diplomatic priorities that seems set to constrain…
U.S. standard certificate of live birth application form next to flag and passport of USA.

Birthright Citizenship and DOJ’s Misuse of History in Its Appellate Briefs

Although the DOJ's briefs in birthright citizen cases might initially seem well-supported, a close look reveals that it is grasping at straws.
Trump's AI Strategy Takes Shape

The Just Security Podcast: Trump’s AI Strategy Takes Shape

Is a distinct Trump strategy for AI beginning to emerge—and what will that mean for the United States and the rest of the world?  
The departure statement in the Wong Kim Ark case, on yellowed paper.

特朗普政府重塑《第十四修正案》 ——《黄金德案》并未限制出生公民权

To retcon Wong Kim Ark’s parents as the equivalent of current day green card holders is both legally and historically mistaken.
The departure statement in the Wong Kim Ark case, on yellowed paper.

The Trump Administration’s 14th Amendment Retcon: ‘Wong Kim Ark’ Does Not Limit Birthright Citizenship

To retcon Wong Kim Ark’s parents as the equivalent of current day green card holders is both legally and historically mistaken.
U.S. Rep. Kat Cammack (R-FL) speaks on the REINS Act on the left of the screen. Poster with REINS Act on the right of the screen.

Why the REINS Act’s Approach to Regulatory Reform Is So Problematic

The REINS Act would hamper agencies’ ability to carry out their statutory duties and protect the public.
A person wearing a Panamanian flag steps on a U.S. flag.

Upending the International Order: Why Undermining the UN Charter and US Defense Commitments is Self-Defeating

The President should understand that bellicose threats and unreliability as an ally may leave the United States poorer and more vulnerable on his watch and will frustrate his nuclear…
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