Proliferation

If the nuclear talks cannot survive this unrelated incident, then the P5+1 must reexamine its narrow approach to the negotiations.

This new study by Mehdi Khalaji focuses on explaining the decisionmaking process within Iran's highest political echelon.

Given Moscow's potential ability to undermine Iran diplomacy, Washington has yet another compelling reason to reestablish faith in -- and fear of -- America's willingness to use military strength.

Iranian elites continue to express skepticism about the International Atomic Energy Agency's verification measures, nuclear safeguards agreements, and impartiality, with some even accusing it of collusion with foreign intelligence agencies.

Washington must urgently reestablish the credibility of its military threat, along with other steps, to guard against noncompliance from Tehran.

Recent U.S. efforts to enforce sanctions and insist on strict interpretation of the Geneva agreement provide a backdrop for the two leaders' upcoming discussion of the Iran nuclear issue.

By focusing on the Syrian regime's faltering commitment to eliminate its chemical weapons, Washington can decisively push Damascus and Russia toward real progress on larger issues -- and also set the table for limited military strikes if they prove necessary.

Iran expert Nima Gerami examines the evolution of the country's domestic nuclear politics before and since Geneva, discussing how the underlying elite divisions and general culture of secrecy could complicate long-term efforts to convince Tehran to abandon its nuclear ambitions.

The IAEA Board of Governors released a report on the framework for implementing the November 2013 interim nuclear agreement with Iran. This report includes details on six initial practical measures agreed with Iran in November and an additional seven measures to be implemented by May 2014.