The president has a legal obligation to file a report with Congress on legal authorities connected to ongoing U.S. military operations. He has shirked that duty.

The better approach for the U.S. is to use the lexicon of jus ad bellum in public messaging.

National Guard troops and federal law enforcement were deployed across the nation’s capital without the consent of the city—a reminder of the unique relationship between Washington, D.C., and the federal...

There are a lot of Chinese component suppliers in the U.S. energy grid. What’s the supply-chain security risk?

China has led the aid response to the coronavirus crisis in Africa. The United States should step up.

The protests ignited by the police killing of George Floyd have put a spotlight on the legal doctrine of qualified immunity—one of many structural factors that makes it difficult to hold police officers ...

Worries about foreign Islamic fighters tend to center on European citizens. But fighters from Southeast Asia also pose a significant problem.

Political pressure is mounting against broad liability protections for online platforms. What’s a better way forward?