A clear sign of a new Iranian nuclear posture will be if incoming president Hassan Rowhani pursues bilateral talks with the United States, says former top U.S. arms official Gary Samore.

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 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.

Iran’s more receptive tone with Western powers in nuclear talks signals concerns about the bite of sanctions and the threat of an Israeli military strike, says CFR’s Ray Takeyh.

At the start of the Persian New Year, leaders in Iran are faced with a host of difficult political challenges, both foreign and domestic, says expert Karim Sadjadpour.