FILE -- In this November 23, 1979 file photo, then President of Iran's Ruling Revolutionary Council, Ayatollah Hossein Ali Montazeri holds a rifle as he addresses a large rally at Tehran University. From a former president disobeying the supreme leader to open discussion of a 1980s mass execution, Iran's presidential election is pushing the boundaries of what can be discussed and done there, a small but noticeable shift in the country's clerically overseen polls. (AP Photo, File)