Executive Branch

Just Security’s expert authors provide analysis of the U.S. executive branch related to national security, rights, and the rule of law. Analysis and informational resources focus on the executive branch’s powers and their limits, and the actions of the president, administrative agencies, and federal officials.

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4,722 Articles
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The Trump Administration Has a Cyber Strategy. Does It Have a Plan?

The real test will be whether clearer policy guidance, legal authorities, and institutional structures follow the Trump administration's Cyber Strategy for America.
A man looks at an altar honouring dead migrants at the Mexico-US border wall

America Is Turning Away People Fleeing for Their Lives — and Breaking the Law to Do It

Former senior officials explain why the Trump administration's argument in Noem v. Al Otro Lado is morally troubling and legally wrong.
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.
A patient shows a Vulante tablet, a medication and specifically a combination of tenofovir disoproxil fumarate and lamivudine, used for the treatment of HIV infection in adults aged 18 years and older. (via Getty Images)

How Trump’s New Global Gag Rules Will Undermine US Interests Abroad

Reduced effectiveness in HIV prevention, slower humanitarian response, and fragmented partnerships impose real costs on American interests and vulnerable populations alike.
Stephen Miller, Defense Secretary Pete Hegseth, and Marine General Francis L. Donovan walk side by side outdoors at U.S. Southern Command headquarters in Doral, Florida, during the Americas Counter Cartel Conference, with other officials visible in the background.

Did the United States Just Bomb Ecuador?

The U.S. military continues maritime strikes on alleged drug smugglers and may now be hitting targets on land. Brian Finucane analyzes Trump’s latest War Powers report.
The Pentagon logo and an American flag are lit up in the briefing room of Pentagon in Arlington, VA.

Military Law on “Contemptuous Words” Should be Reformed

A possible line of defense for the Uniform Code of Military Justice prohibition on contemptuous words.
Picture Of United Nations Flags

Operation Epic Fury: Reports of the Death of International Law are Greatly Exaggerated

"I am sure some restrictionists will critique my analysis by claiming it is not grounded in orthodox interpretations of international law."
Sen. Rand Paul (R-KY) talks to reporters before heading into the Senate Chamber to vote at the U.S. Capitol on March 04, 2026 in Washington, DC.

Iran, War Powers, and the Power of the Purse: Leverage or Legalization

With America’s war in Iran costing around $2 billion per day, Congress will soon face a choice: use its leverage to force an exit, or continue to fund it.
​A man, ICE Acting Director Caleb Vitello​, surrounded by a least two other men, members of the New York City Fugitive Operations Team​, conduct targeted enforcement operations on January 28, 2025 in New York City. The officers are in "POLICE ICE" tactical gear.

The Deeper Problem with ICE’s Arrest Warrants

DHS regulations do not ensure that ICE arrest warrants are supported by reliable probable cause findings. That failing poses significant Fourth Amendment risks.

Top Questions the Trump Administration Needs to Answer on War with Iran

What Congress, journalists, and the public should ask the Trump administration about its war in Iran.
U.S. Secretary of Defense Pete Hegseth arrives to testify before the Senate Armed Services Committee in the Dirksen Senate Office Building on June 18, 2025 in Washington, DC.

What Hegseth’s “Supply Chain Risk” Designation of Anthropic Does and Doesn’t Mean

Abuse of a tailored national security authority to resolve an ideological dispute playing out over DoD’s desire to change its contractual terms should not be taken lightly. 
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.
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