Iran goes to the polls today following an acrimonious election campaign that has polarized the country between the incumbent President Mahmoud Ahmadinejad and three opposition candidates. A record turnout is expected for this presidential election, and the enormous mobilization generated by some of the candidates has been described as unseen since the early days of the Iranian revolution. We speak with Trita Parsi, founder and president of the National Iranian American Council. [includes rush transcript]