Akbar Hashemi Rafsanjani (center) is flanked by supreme leader Ayatollah Ali Khamenei (left), chief of the Expediency Council, and Iran President Mahmoud Ahmadinejad. Mr. Rafsanjani, who previously served as president of Iran and remains a political force, favors a more moderate approach to the West. (Associated Press)

Akbar Hashemi Rafsanjani (center) is flanked by supreme leader Ayatollah Ali Khamenei (left), chief of the Expediency Council, and Iran President Mahmoud Ahmadinejad. Mr. Rafsanjani, who previously served as president of Iran and remains a political force, favors a more moderate approach to the West. (Associated Press)