An Iranian man in wheelchair is pushed past a pre election billboard of presidential candidate and former president Akbar Hashemi Rafsanjani in his campaign centre in Tehran. An Iranian man in wheelchair is pushed past a pre election billboard of presidential candidate and former president Akbar Hashemi Rafsanjani in his campaign centre in Tehran June 11, 2005. Rafsanjani, a powerful pragmatic conservative who was president from 1989 to 1997, is the front-runner for upcoming presidental elections scheduled for June 17. REUTERS/Damir Sagolj