FILE - In this Oct. 9, 1978 file photo, Iranian protesters demonstrate against Shah Mohammad Reza Pahlavi in Tehran, Iran. Forty years ago, Iran's ruling shah left his nation for the last time and an Islamic Revolution overthrew the vestiges of his caretaker government. The effects of the 1979 revolution, including the takeover of the U.S. Embassy in Tehran and ensuing hostage crisis, reverberate through decades of tense relations between Iran and America. (AP Photo, File)
FILE - In this Oct. 9, 1978 file photo, Iranian protesters demonstrate against Shah Mohammad Reza Pahlavi in Tehran, Iran. Forty years ago, Iran's ruling shah left his nation for the last time and an Islamic Revolution overthrew the vestiges of his caretaker government. The effects of the 1979 revolution, including the takeover of the U.S. Embassy in Tehran and ensuing hostage crisis, reverberate through decades of tense relations between Iran and America. (AP Photo, File) AP
FILE - In this Oct. 9, 1978 file photo, Iranian protesters demonstrate against Shah Mohammad Reza Pahlavi in Tehran, Iran. Forty years ago, Iran's ruling shah left his nation for the last time and an Islamic Revolution overthrew the vestiges of his caretaker government. The effects of the 1979 revolution, including the takeover of the U.S. Embassy in Tehran and ensuing hostage crisis, reverberate through decades of tense relations between Iran and America. (AP Photo, File) AP