King Abdullah’s succession plan for Saudi Arabia’s aging leadership may be his most important legacy at a time of multiple crises in the Middle East, says expert Rachel Bronson.

New Iranian leadership and the UN effort to remove Syrian chemical weapons offer a rare chance for collaboration between Washington and Tehran—and advance nuclear talks, says expert Gary Sick.

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.

Karim Sadjadpour, an Iranian-American who served for several years in Iran for the International Crisis Group, says he believes elements within the Revolutionary Guards have an economic motivation in…

Haider al-Abadi has unified the country’s Shias, but may struggle to keep their support as he forms a new government and attempts to redress Sunni grievances, says expert Mohamad Bazzi.