Iran could restart aspects of its nuclear program if President Trump declines to renew sanctions waivers this month, leaving major powers with few options for monitoring or restricting it.

In striking Syria without an international law justification, the United States leaves itself open to criticism and may invite similar behavior by other countries.

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…

The poisoning of former double agent Sergei V. Skripal in the UK indicates that Russia may have abandoned some unspoken rules of espionage. CIA veteran Jack Devine examines the history and current state of spy-craft.

Once a role model for democracy, Poland has rapidly witnessed a series of illiberal moves that threaten the rule of law and its future within the European Union, says Agata Fijalkowski.