Marco Rubio

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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.
Deputy Secretary of State Christopher Landau (L) speaks at a lectern as AUC Chairperson Mahmoud Ali Youssouf (R) stands at the right, both of them in front of an American flag and multiple green flags of the African Union.

New U.S.–AU Infrastructure Working Group Could Thrive With Strong Values-Based Safeguards

If the Strategic Infrastructure and Investment Working Group is to succeed, the United States must anchor its offerings in rules-based governance.
US President Donald Trump (R) shakes hands with Azerbaijan's President Ilham Aliyev at the "Board of Peace" meeting during the World Economic Forum (WEF) annual meeting in Davos on January 22, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Some Questions About Trump’s Executive Order Granting Privileges and Immunities to the Board of Peace

The Trump administration, the Board of Peace, and Congress all should have interests in clarifying the legal basis on which any privileges and immunities are being provided.
This photograph shows the logo of the "Board of Peace" during the World Economic Forum (WEF) annual meeting in Davos on January 22, 2026. (Photo by Mandel NGAN / AFP via Getty Images)

Establishing the Board of Peace: Key Questions About the Launch of the Trump Administration’s New Peace-Building Initiative

The Trump administration created the Board of Peace to lead Gaza’s reconstruction and global peace-building, raising questions about structure, control, and legitimacy.
View from outside a fenced area of a watchtower atop tall, solid walls behind barbed wire.

Forced Labor Fuels Unfair Trade: The U.S. Interest in Ending Abuses Against Uyghurs

Forced labor in China undermines American security and values. Strong U.S. enforcement of trade laws and supply chain standards can defend human rights and competitiveness.
US Secretary of State Marco Rubio testifies during a Senate Foreign Relations Committee hearing

Five War Powers Takeaways from the Senate’s Venezuela Hearing

The Senate's hearing with Rubio offered little solace to those concerned about the use of force against Venezuela.
Map of the US's Exclusive Economic Area, including Navassa Island but not Bajo Nuevo Bank and Serranilla Bank.(via WikiCommons)

How Greenland’s Relationship with Denmark Exposes the Shortcomings of Being a “U.S. Territory”

The relationship between the U.S. and its island territories should concern anyone who believes in the “consent of the governed” and the idea of “all created equal."
The image shows multiple buildings, most of them non-residential, in white and red around a snowy hillside, with what appear to be cell phone and perhaps other types of steel towers and a radar atop the hill in the background.

Trump Is Right About Greenland — Wrong About How to Secure It

The challenge is not recognition of Greenland’s importance; it is ensuring that security enhancements are strategic, sustainable, and allied-driven.
A man holds a Syrian flag across the street from the White House. An American flag waves in the background.

Caesar Act Repeal and the Syria Sanctions Removal Report Card

Where things stand along the path of Syria sanctions removal and what restrictions remain to inhibit burgeoning investment and development in post-Assad Syria.
A young boy looks on at the site of an Israeli airstrike in Deir al-Balah on December 9, 2025, which resulted in a Palestinian man being killed.

An Analysis of Resolution 2803 and the International Stabilization Force: A Militarized Enforcement Mission with Precarious Legal and Strategic Implications

UN Resolution 2803 authorizes a Gaza stabilization force under U.S. guidance, raising questions about legality, impartiality, and risks to Palestinian self-rule.
Dodik, at right, shakes hands with Putin to the left, with another figure in the back left of the frame, in an ornately decorated room.

U.S. Lifts Sanctions on Putin-Backed Bosnian Serb Separatist Leader

The Trump administration's sanctions removal for Bosnian Serb separatist Milorad Dodik precedes a Russia-Led U.N. Security Council meeting.
The Just Security Podcast Cover Image

The Just Security Podcast: Murder on the High Seas Part III

Tess Bridgeman is joined by Rebecca Ingber and Brian Finucane to assess the latest strikes, the brief detention of two survivors, where the campaign may be headed, and what…
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