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

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.

The prospects for a comprehensive nuclear deal with Iran before a looming deadline look promising, but the United States and its negotiating partners still must clear major obstacles, says expert Suz…

The drawn-out talks between Iran and the P5 +1 nations over Iran’s nuclear program are expected to resume after the U.S. presidential elections, says veteran arms control expert Daryl Kimball.

The situation in Ukraine will continue to unravel unless Russia comes to planned diplomatic talks in Geneva this week with options for defusing the crisis, says expert Steven Pifer.