TEHRAN, Iran – The main pro-reform candidate accused hard-line President Mahmoud Ahmadinejad of driving Iran toward “dictatorship” and hurting its standing in the world by questioning the Holocaust, during a rare and unprecedentedly raucous election debate Wednesday.During the 90-minute debate, televised live, Ahmadinejad and opponent Mir Hossein Mousavi traded frank and direct criticisms that are unheard of in Iranian politics, where clashes are usually veiled in elliptical, polite language.
