Marco Rubio

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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.

Collection: U.S. Lethal Strikes on Suspected Drug Traffickers, Operation Southern Spear, Operation Absolute Resolve

Collection of expert analysis on the legality of the U.S. strike on Venezuelan vessels in the Caribbean, the consequences of the strike, and related issues.
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.
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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…
(L-R) US Vice President JD Vance, US President Donald Trump and US Secretary of State Marco Rubio listen as Democratic Republic of the Congo Foreign Minister Thérèse Kayikwamba Wagner during a meeting with her and Rwandan Foreign Minister Olivier Nduhungirehe (not pictured) in the Oval Office of the White House in Washington, DC, on June 27, 2025. Rwanda and the Democratic Republic of Congo signed an agreement in Washington on Friday to put an end to a conflict in the eastern DRC that has killed thousands, although broad questions loom on what it will mean. Trump has trumpeted the diplomacy that led to the deal and publicly complained that he has not received a Nobel Peace Prize. But the agreement has also come under scrutiny for its vagueness including on the economic component, with the Trump administration eager to compete with China and profit from abundant mineral wealth in the long-turbulent east of the vast DRC. (Photo by ANDREW CABALLERO-REYNOLDS / AFP) (Photo by ANDREW CABALLERO-REYNOLDS/AFP via Getty Images)

U.S. Sanctions Removal on Mining Magnate Would Set Back Peace and Investment in DR Congo

The Trump administration and Congress can end the cycle of looting, smuggling, and violent extraction of raw materials from the DRC and provide a better footing for peace.
US Marines' Lockheed Martin F35-B jets arrive in formation to José Aponte de la Torre Airport

Murder by Drone: The Legal and Moral Stakes of the Caribbean Strikes

If allowed to go unchecked, the Caribbean strikes could encourage additional unlawful executions by the United States and other leaders.
The US Navy warship USS Sampson (DDG 102) docks at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

Asserting a License to Kill: Why the Caribbean Strike is a Dangerous Departure from the “War on Terror”

An absence of credible legal basis for the Caribbean strike suggests the Trump admin is asserting a prerogative to kill outside the law.
Crew members of the US Navy warship USS Sampson (DDG 102) are pictured at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

Using Labels, Not Law, to Justify Lethal Force: Inside the Venezuelan Boat Strike

Applying a new label to an old problem does not transform the problem. Nor does it grant the U.S. president or the U.S. military expanded legal authority to kill civilians.
The US Navy warship USS Sampson (DDG 102) docks at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

Legal Issues Raised by a Lethal U.S. Military Attack in the Caribbean

The Trump administration’s extraordinary lethal attack on a purported drug smuggling vessel – and its vow that it is the start of a campaign – raise significant legal issues.
Secretary of State Marco Rubio speaks as U.S. President Donald Trump meets with President Nayib Bukele of El Salvador in the Oval Office of the White House on April 14, 2025 in Washington, DC. Trump and Bukele were expected to discuss a range of bilateral issues including the detention of Kilmar Armando Abrego Garcia. (Photo by Win McNamee/Getty Images)

The Legal Fig Leaf: The US-El Salvador Detainee Diplomatic Notes

Declassified U.S.–El Salvador documents expose a shaky legal cover and continued U.S. control over detainees in CECOT, raising questions about complicity in potential abuses.
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