Iranian President Hassan Rouhani delivers his speech under a portrait of the late revolutionary founder Ayatollah Ruhollah Khomeini during a rally to commemorate the anniversary of the 1979 Islamic revolution, at the Azadi (Freedom) Sq. in Tehran, Iran, Thursday, Feb. 11, 2016. The nationwide rallies commemorate Feb. 11, 1979, when followers of Ayatollah Khomeini ousted U.S.-backed Shah Mohammad Reza Pahlavi. (AP Photo/Vahid Salemi)