(FILE) A file picture dated 27 March 2009 of Iranian ex-president Akbar Hashemi-Rafsanjani, who currently leads the opposition against President Mahmoud Ahmadinejad, speaking during the Friday prayers ceremony in Tehran, Iran. Former Iranian president Akbar Hashemi-Rafsanjani..called 17 July 2009 for ''open debate'' on the recent controversial election..which saw President Mahmoud Ahmadinejad retain power as witnesses said 'hundreds of thousands' of people surged to hear him. He also called on authorities in a Friday prayers address to release opposition figures who have been imprisoned during a major crackdown on protesters which followed the election on June 12