All Policy Analysis by Michael Singh

Fundamental questions now center on how exactly the seizure occurred, how the sailors were treated, and whether Washington offered a quid pro quo for their release.

If Iran's disregard for Chapter VII measures and other international injunctions is ignored, it cannot be long before Tehran treats the nuclear deal the same way.

The latest meeting of the IAEA board of governors is an opportunity to bolster the investigative and disclosure mechanisms needed to deter Iran and other potential proliferators.

Bashar al-Assad's departure would not by itself solve Syria's problems, but it could pave the way for the return of refugees and a regional ground force to combat ISIS.

The initial box-office success of "The Martian," following on the hits "Gravity" in 2013 and "Interstellar" in 2014, reflects the extent to which space exploration continues to captivate public imagination. Polling suggests that more than 50% of Americans favor sending an astronaut to Mars. In 2010, Pew found that 63%

Understanding Tehran's past progress toward a nuclear bomb and mapping the facilities and personnel involved in such efforts can help head off any potential breakout attempts in the coming years.

To avoid or mitigate further fallout from the war, the United States and its allies need to create facts on the ground by establishing and enforcing safe zones inside Syria.

Without a credible conventional deterrent that goes beyond mere rhetoric, the United States cannot stop Iran from running toward the bomb.

Rather than recalling past glories, Russia's reportedly escalating support for Assad may prove to be a reminder of why they faded in the first place.

The Institute's managing director testified before two Senate hearings to discuss the drawbacks of the current Iran agreement, the best means of addressing them, and the implications for U.S. policy if they are not fixed.

The agreement does not clearly achieve its main objective of preventing a nuclear-armed Iran, nor does it complement America's broader strategies regarding the Middle East and global nonproliferation.

Tehran's longstanding arms trafficking and missile research efforts highlight the problem with wholesale removal of weapons restrictions.

In addition to bolstering China's own economic and energy strategy, the deal could spur Beijing to facilitate Iran's rise as a regional power via military assistance, technology transfers, and investment.

If the administration cannot convincingly describe a regional strategy into which the agreement fits, allies and skeptics are likely to assume an unspoken U.S. realignment or simple incoherence.

As another negotiating deadline comes and goes, U.S. allies in the Middle East appear less concerned with the particulars of a possible accord than the particulars of U.S. policy toward Iran after a deal. The Obama administration believes that Iran’s behavior in the region will improve after a nuclear agreement