Successful denuclearization will hinge on rigorous on-the-ground inspections and closing the gap between North Korea and the United States on what areas any agreement should cover.

The United States should follow targeted strikes in Syria with intensified global efforts to nullify the regime’s chemical weapons capabilities.

The circumstances surrounding the attack on a former Russian spy in England leave little doubt that Russia was the culprit and cast a lengthening shadow over the global regime to stop chemical weapon…

President Trump’s denunciation of the Iran nuclear deal has put the agreement on shaky footing, even if Congress declines to reinstate sanctions.

The recent vote may not advance Puerto Rican statehood, but it may focus attention on its heavy debts and exposure to upcoming U.S. health-care and budget measures.