People outside Iran need to connect some dots.

1. Rafsanjani bankrolled Moussavi's campaign.
2. Rafsanjani, well before Ahmadinejad publically accused him of corruption was widely known as having used his 8 years of presidency to amass a vast personal fortune, through corrupt financial dealings. Especially oil contracts. His family have a monopoly on the pistachio exports. He is one of 5 richest individuals in the Islamic Republic and his family the 3rd richest.
3. Ahmadinejad is a socialist and into redistributting wealth.
4. The Rafsanjani/Moussavi camp constituancy are the richest sector of Iranian society.
5. A second Ahmadinejad term would be disasterous for the Islamic Republic's most corrupt mullah and his cohorts.
6. Moussavi's cause is held in suspicion by many sectors of the Iranian urban and rural population due to Rafsanjani's backing.