Gregory Koblentz weighs the U.S. foreign policy options toward Iran.

Iran's nuclear ambitions are likely driven by multiple factors, from security concerns to domestic polices. However, political competition within Iran, rather than Israel's nuclear capabilities, plays a more significant role in driving Iran's nuclear ambition.

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It is time for Washington to rebalance its dual-track policy toward Iran, strengthening the diplomatic track in order to seize the opportunity created by the pressure track. The United States should now dedicate as much energy and creativity to negotiating directly with Iran as it has to assembling a broad international coalition to pressure and isolate Iran. Only by taking such a rebalanced approach might the United States achieve its objectives with respect to Iran's nuclear program.

Rather than seeking regime overthrow in North Korea and Iran, Washington should pursue an updated version of Soviet-era containment policy, says expert Robert Litwak.

Ray Takeyh warns that the West is falling into a diplomacy trap set by Iranian clerics regarding the nuclear Non-Prolifieration Treaty (NPT).

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.

Iranian Supreme Leader Ayatollah Khamenei gave his annual message on the occasion of the Persian New Year, or Norouz, on March 20, 2013. He calls this "The Year of Political and Economic Valor" and encourages Iranians to buy products made in Iran because of current economic sanctions.

Since the discovery of illicit Iranian nuclear facilities in 2002, the United States has sought to mobilize an international coalition to address the Iranian nuclear challenge through various coercions and incentives. UN member states agree that Iran is entitled to a civilian nuclear program for purposes of energy generation, but they require assurances that such a program is not going to be misused for military purposes.

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Ray Takeyh calls for "a more imaginative re-conceptualization of the existing diplomatic paradigm," between the United States and Iran.

A panel of experts discuss Iran's nuclear program.

A panel of experts discuss Iran's nuclear program.

Participants discuss possible U.S. policy approaches to Iran's nuclear program and the recently concluded talks in Almaty, Kazakhstan.

Yes and no. Because of sectarian differences between the Iranian government and the Sunni Salafi fighters in the Syrian opposition, Iran's influence becomes weakened at first sight if the Syrian opposition wins. But the Iranian regime can (and has) created common cause with Sunni radicals in the recent past. History shows that this would not be the first time an unlikely alliance between opposing groups has formed.

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World powers are now offering to ease sanctions on Iran if it agrees to halt its most sensitive nuclear activity. Expert Daryl Kimball urges a full diplomatic press to stop Iran from crossing the nuclear weapons line.

People love to talk about "red lines" for all sorts of challenges, and the Iranian nuclear program is no exception. The United States can, in principle, threaten stronger sanctions if Iran crosses certain red lines. It can threaten military action if Iran crosses others. But it's not clear that setting red lines—particularly in public, where failing to follow through on threats can be costly—is a productive course.

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In recent years, the strategic alliance between Iran and Hezbollah has grown to the point where the Lebanese militant group's fealty to Tehran is paramount, a dynamic currently on display in Syria, says counterterrorism expert Matthew Levitt.

A take-it-or-leave-it deal by the United States on the nuclear issue is the wrong strategy, says Ray Takeyh.

Iran's reluctance to negotiate over its controversial nuclear program makes a deal with international powers unlikely, says CFR's Carla Robbins.

Ayatollah Ali Khamenei made these remarks at a meeting with Iran's air force on February 7, 2013, responding to U.S. Vice President Joe Biden's offer of direct talks about Iran's nuclear program.

In the nuclear dispute between Iran and the United States, a grand bargain is unlikely given the level of mistrust between the two parties. What's more realistic is a modest compromise that breaches the wall of mistrust and potentially sets the stage for further-reaching arms control measures, says Ray Takeyh.