Iran’s President Mahmoud Ahmadinejad, center, attends a press conference with Egyptian Sunni clerics at Al-Azhar headquarters in Cairo, Egypt, Tuesday, Feb. 5, 2013. Egypt’s most prominent Muslim cleric, the sheik of al-Azhar, has warned Iranian President Mahmoud Ahmadinejad against interfering in Arab Gulf countries or trying to spread Shiite influence. Ahmadinejad, on a landmark visit to Egypt on Tuesday, received an uneasy reception from Ahmed el-Tayeb at al-Azhar, the Sunni Muslim world’s foremost Islamic institution.(AP Photo/Amr Nabil)