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.

The U.S. military is prepared for a number of contingencies with regard to North Korea, but the best path forward is diplomacy aimed at denuclearization.

While sports may temporarily transcend divisions in society, events like the Olympics rarely serve to advance countries’ diplomatic aims.

Averting famine will require Saudi Arabia to permit the resumption of commercial shipping of food and fuel to the besieged country.

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