(NEWSER) - Akbar Hashemi Rafsanjani, the former Iranian president and most powerful supporter of Mir Hossein Mousavi, addressed thousands of young reformists in green today in a highly anticipated sermon that may trigger further protests. The visibly upset cleric demanded that all political prisoners be freed and lamented that "we had the chance to become the best, but we let it slip." Mousavi supporters interrupted Rafsanjani with shouts of "Freedom, freedom!" and some young reformists were tear-gassed, reports al-Jazeera. More»