By bne Tehran bureau Iran’s former foreign minister Mohammad Javad Zarif made an impassioned speech on June 18 on state television that is expected to significantly strengthen the position of the reformist front in the upcoming snap presidential elections. The election is due on June 28 to select a president after the death of Ebrahim Raisi in a helicopter crash on May 19. Six candidates have been approved by the Guardian Council, with heavyweights including Mohammad Baqer Qalibaf and Saeed Jalili from the so-called fundamentalist faction, and Masoud Pezeshkian from the reformist group. Pezesh…