USC international relations expert studies the art and practice of negotiations.

Newly declassified segments from the diary of President Richard Nixon's chief-of-staff provide a detailed, subtle portrait of the disgraced president as H.R. Haldeman recounts both moments of high-stakes diplomacy and unscripted daily life that would never make a White House memo or official document.

It's a shift in the administration’s approach to an offensive already under way in Iraq and Syria.

The digital revolution has had a massive impact on the practice of foreign policy, revealing challenges and opportunities for modern diplomacy. But where is the line drawn between confidentiality and transparency?

One of Britain’s highest-ranking intelligence officials on Tuesday castigated the giant American companies that dominate the Internet for providing the “command-and-control networks of choice for terrorists and criminals” and challenged the companies to find a better balance between privacy and security.

In the West, Russia tries to reach out to fringe groups – for lack of a better term – whether on the left or the right, who are unhappy with their current governments and would be willing to form a discursive partnership, even if temporary, with Russia.

The State Department’s Sports Envoy program will pair Paralympic gold medalist and reigning Chicago marathon champion Josh George with Olympic gold medalist Allyson Felix for a week-long series of clinics and engagements in Rio de Janeiro from November 4-8.

For years, mainland China has thrown the big-budget movies of its most-heralded directors into the Oscars' foreign-language film race. (...) This season, China is trying something different — very different. It has selected a film directed by a Frenchman as its foreign-language candidate.