Proliferation

If Washington doesn't help contain Syria's civil war, the whole region could plunge into chaos.

A letter to the editors of the Economist regarding how close Tehran has come to achieving nuclear breakout capability.

Enhanced economic sanctions on Iran -- in place for more than a year now -- have dramatically impacted its economy, though the same cannot be said of its nuclear calculus. In this Strategic Report, military expert Michael Eisenstadt explains why U.S. policy has failed to curb the regime's progress on

Rouhani may soften the veneer and rhetoric of Tehran's nuclear policy, but there is little reason to expect a change in the regime's objectives.

The new president-elect's supporters want a better economy and integration into the international community more than they want nuclear glory.

The recent presidential election in Iran proved that the Islamic Republic's instinct for self-preservation trumps its ideology. Hassan Rouhani, the current representative of Supreme Leader Ayatollah Ali Khamenei in the Supreme National Security Council and former head nuclear negotiator, won the election in the first round, a total surprise for

Defeating Iranian designs in Syria would not halt Tehran's nuclear ambitions, but it could restore the credibility of American power and force Iran's leaders to reconsider the costs of their strategy.

At a time of declining U.S. military spending and growing concern about Iran's hegemonic ambitions and nuclear intentions, the Gulf Cooperation Council states continue to view the U.S. military as the hub of their security efforts. How can Washington help bolster Gulf defenses against Iran without exacerbating military tensions, destabilizing

Patrick Clawson, Mehdi Khalaji, Michael Eisenstadt, Matthew Levitt, and Michael Singh have contributed material to this important ongoing project on Iran.