They're young, they wear green, and they vote.
As disagreement over Iran's presidential election results spreads into the streets, it's worth asking what has changed in Tehran over the past four years to create a situation where a relatively moderate reformer candidate, Mir Hossein Mousavi, can challenge an incumbent hardliner, Mahmoud Ahmadinejad.
Speaking on the eve of the election, Hooman Majd offers a simple answer. It's the youth vote. Iran is a young country, meaning that perhaps 75-percent of the population is under the age of 30. "The past four years have been very frustrating for them," Majd says. They've become politically aware and understand that who rules their country matters.
Watch the full program at FORA.tv.