sentences:  During the debate on 3 June between President Ahmadinejad and reformist rival, former Prime Minister Mousavi, Ahmadinejad made accusations regarding former presidents Mohammad Khatami and Akbar Hashemi Rafsanjani and the Iranian Revolution.Rafsanjani responded to these charges on 9 June in an open letter to Supreme Leader Ayatollah Ali Khamenei requesting that he stepped in to rebuke Ahmadinejad for his comments at the debate.The opinion polls within Iran were considered unreliable.