Mir-Hossein Mousavi of Foreign Affairs and eventually the post of Prime Minister. He was the last Prime Minister in Iran prior to the 1989 constitutional changes which removed the post of prime minister; he then went into semi-retirement for the next 20 years. He remains a member of the Expediency Discernment Council and the High Council of Cultural Revolution. However, he has not participated in their meetings for years, which is interpreted by political analysts and commentators as a sign of his disapproval. For the 2009 Iranian Presidential election, Mousavi came out of semi-retirement and ran as one of two Reformist candidates
2009 Iranian presidential election movement attempted to unite behind a single candidate; former President Mohammad Khatami was the leading opponent to Ahmadinejad in some opinion polls, until he withdrew and endorsed former Prime Minister Mir-Hossein Mousavi. Former Speaker of the Majlis Mehdi Karroubi, another Reformist, was also running; as was the former commander of the Iranian Revolutionary Guard, Mohsen Rezaee, a conservative with a reputation for political pragmatism. The election marked a return to public spotlight for Mousavi, who had not received much attention since he served as Prime Minister in the 1980s. Reformist opinions galvanized around him as the election grew nearer. He