NSPM-4, President Trump’s order on the military’s “mission for sealing the Southern Border,” obscures the fine-grained limits that ought to clearly and unambiguously regulate lethal force.

There is a point at which ignorant dilettantism becomes a form of cruelty. Trump passed it long ago in Ukraine.

President Trump may be able to recognize Russian sovereignty over Crimea—but that doesn’t mean he can make Congress play along.

Mexico rejects the “unwilling or unable” doctrine of self-defense. The United States should, too.

The Israeli government’s controversial vote to remove Ronen Bar faces legal hurdles, with the potential to set off a constitutional crisis.

A review of Erica L. Gaston's “Illusions of Control: Dilemmas in Managing U.S. Proxy Forces in Afghanistan, Iraq, and Syria” (Columbia University Press, 2024).

Congress can act to prevent a “sweeping overhaul” of the JAG Corps, which would risk violations of the laws of war.