The president’s threat to resume tests is the latest erosion of a long-standing norm.

The recent detention and repatriation of two survivors of a U.S. military strike marks another legal evolution in the Trump administration’s claimed armed conflict with drug cartels.

The rejection leaves the DPF politically fragile, legally untested at the Court of Justice, and vulnerable to shifts in Washington.

Ukraine’s offensive cyber strategy demonstrates that Western governments need to adopt a “responsibly irresponsible” warfighting approach.

The administration’s approach of “strategic uncertainty” is unlikely to produce better deals.

When tactical nuclear weapons are at the fore, devastating and uncontrollable outcomes are never more than a few hours away.

The convention, which just opened for signature, is substantively similar to the Budapest Convention, but it is procedurally different, and that may make all the difference.

The nonproliferation regime remains strong—maybe even stronger than before.

The AI race isn’t only about chips or tariffs. It’s also about who writes the technical standards shaping the world’s systems.