In this photo released by Islamic Republic of Iranian Broadcasting, the main pro-reform candidate, Mir Hossein Mousavi, attends a TV debate between him and Iran's hard-line President Mahmoud Ahmadinejad, unseen, in Tehran, Iran, on Wednesday, June 3, 2009. Mousavi accused President Ahmadinejad of driving Iran toward 'dictatorship' and hurting its standing in the world by questioning the Holocaust, during a rare and unprecedentedly raucous election debate Wednesday. (AP photo/Islamic Republic of Iranian Broadcasting,
Dehghan, HO)
In this photo released by Islamic Republic of Iranian Broadcasting, the main pro-reform candidate, Mir Hossein Mousavi, attends a TV debate between him and Iran's hard-line President Mahmoud Ahmadinejad, unseen, in Tehran, Iran, on Wednesday, June 3, 2009. Mousavi accused President Ahmadinejad of driving Iran toward 'dictatorship' and hurting its standing in the world by questioning the Holocaust, during a rare and unprecedentedly raucous election debate Wednesday. (AP photo/Islamic Republic of Iranian Broadcasting, Dehghan, HO)
Supporters of the leading reformist Iranian presidential candidate Mir Hossein Mousavi hold his posters during an electoral campaign rally in Tehran, Iran, Wednesday, June 3, 2009. Mousavi is President Ahmadinejad's main pro-reform rival for the June 12 elections. The name of the candidate Mir Hossein Mousavi is written on the poster in the Farsi language. (AP Photo/Vahid Salemi)
Supporters of former Prime Minister and Iran's upcoming presidential election candidate Mirhossein Mousavi on left and supporters of the Iranian President and presidential candidate Mahmoud Ahmadinejad on right shout slogans in support of their favorite candidates during a rally in front of the University of Tehran, June 3, 2009. REUTERS/Morteza Nikoubazl (IRAN POLITICS ELECTIONS)
Iranian supporters of reformist presidential candidate Mir Hossein Mousavi hold his picture in Tehran on June 2, 2009. With more than 60 percent of Iranians born after their nation's Islamic revolution in 1979, the under-30 vote will be crucial in the June 12 election in which hardline President Mahmoud Ahmadinejad is being challenged by three fiercely critical rivals. (AFP/File/Atta Kenare)
An Iranian supporter of reformist presidential candidate Mir Hossein Mousavi distributes posters and flyers in Tehran on June 3, 2009. With more than 60 percent of Iranians born after their nation's Islamic revolution in 1979, the under-30 vote will be crucial in the June 12 election in which hardline President Mahmoud Ahmadinejad is being challenged by three fiercely critical rivals. (AFP/File/Atta Kenare)
A supporter of Iranian presidential candidate Mir Hossein Mousavi holds his picture during a demonstration to show her support for the former premier outside Tehran University in the Iranian capital. Mousavi accused hardline President Mahmoud Ahmadinejad of "undermining" the Islamic republic's dignity during his four-year term, in a television debate ahead of next week's presidential poll. (AFP/Atta Kenare)
Iran's hard-line President Mahmoud Ahmadinejad, center, greets his supporters after attending a TV debate with main pro-reform candidate, Mir Hossein Mousavi, unseen, in Tehran, Iran, on Wednesday, June, 3, 2009. Mousavi accused Ahmadinejad of driving Iran toward 'dictatorship' and hurting its standing in the world by questioning the Holocaust, during a rare and unprecedentedly raucous election debate Wednesday. (AP photo)
Iranian supporters of President Mahmoud Ahmadinejad hold his picture (C-R) and portraits of Iran's supreme leader Ayatollah Ali Khamenei during a campaign rally in Tehran. Khamenei fired off a new salvo against the United States, saying it was detested across the Middle East, just as President Barack Obama held out his hand to Tehran. (AFP/Atta Kenare)
A woman stands in front of a campaign banner for Iranian President Mahmoud Ahmadinejad, who will be running as a candidate in Iran's upcoming presidential election, after leaving a ceremony to mark Islamic Republic founder Ayatollah Ruhollah Khomeini's death anniversary at a mosque in northern Tehran, June 3, 2009. Banner reads "Stay with us, so that hope remains." REUTERS/Morteza Nikoubazl