Use of Force

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.

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.

Ukrainian MP Oleksiy Goncharenko discusses the NATO Summit and the war with Washington Senior Editor Viola Gienger and guest host Lauren Van Metre.

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

An expert policy and legal assessment of the U.S. strikes on Iran's nuclear facilities and what comes next.

A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.

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.

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.

Analysis of jus ad bellum with Israel’s stated objectives for its current military operations in Gaza.

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

The Special Tribunal for the Crime of Aggression against Ukraine cannot be treated as a bargaining chip in negotiations to end hostilities.

A recent decision from Israel's Supreme Court exposes some of the underlying tensions and inadequacies within international humanitarian law in countering conflict-induced civilian…