An escalation in U.S. counterterrorism strikes is unlikely to degrade the country’s al-Qaeda affiliate and a two-year-long Saudi-led air campaign is no closer to defeating Houthi rebels, says Ambassa…

The crisis in Ukraine has not thus far diverted international diplomatic efforts toward a lasting deal on Tehran’s controversial nuclear program, says expert Barbara Slavin.

An interim nuclear accord between Iran and world powers is still within reach despite lingering disagreements over details, says expert Barbara Slavin.

Whether NSA leaker Edward Snowden is extradited to the United States will hinge more on diplomatic relations than international legal considerations, says expert Stephen Vladeck.

Pakistan’s instability, a Taliban insurgency, and growing skepticism in the United States argue for an earlier drawing-down of forces from Afghanistan if there’s no progress, says Richard Armitage, c…