In this picture taken on Sunday, Sept. 21, 2008, Iranian Revolutionary Guards members march during a parade ceremony, marking the 28th anniversary of the onset of the Iran-Iraq war (1980-1988), in front of the mausoleum of the late revolutionary founder Ayatollah Ruhollah Khomeini, just outside Tehran, Iran. Speaking to Arab students at Carnegie Mellon's Doha campus, US Secretary of State Hillary Rodham Clinton said Monday, Iran's Revolutionary Guard Corps appears to have gained so much power that it effectively is supplanting the Iranian government. (AP Photo/Vahid Salemi)

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