Opposition leaders Mir Hussein Mousavi, Mehdi Karroubi and former president Mohammed Khatami have all challenged Mr.Ahmadinejad's legitimacy, arguing that he won re-election through fraud and vote-rigging.

VOA: standard.2009.08.28

"The leadership of the Green Movement - gentlemen such as former President Mr.Mohammed Khatami, former Chairman of the Parliament, Mr.Mehdi Karrubi, and former Prime Minister Mr.Mir Hossein Mousavi - still believe that the Islamic Republic can be reformed within the framework of the constitution.

VOA: standard.2010.06.11

The main opposition figures - Mir Hossein Mousavi, Mehdi Karroubi, Mohammed Khatami - all support Iran's nuclear ambitions.

BBC: High stakes game at Iran nuclear talks

When the reformist president, Mohammed Khatami, was in power, he entertained the possibility of siding with the street, but eventually stuck with the establishment.

CNN: Zakaria: 'Fatal wound' inflicted on Iranian regime's ideology

In March 2005, Venezuela and Iran signed an agreement of commercial and technological cooperation during the visit of Iranian President Mohammed Khatami to Caracas .

CENTERFORSECURITYPOLICY: Chavez and the Iranian connection