Ahmadinejad expresses doubt about the Holocaust

Iranian President Mahmoud Ahmadinejad expresses doubt about the Holocaust while the history is available.
"Ohrdruf-Nord was not a proper concentration camp. It had no gas chamber or high-performance crematorium. The deaths there were caused by disease and neglect, helped along by overwork and brutality."
"The small city of Dachau was, in a way, more of a discovery for the Americans than the camp itself. It had existed side by side with the camp for twelve years. The tracks on which trains brought in prisoners and carloads of corpses for the crematorium ran through the city along the Nibelungen Strasse, and the guards frequently marched prisoner work details through the streets. Asked whether they realized that in the last three months at least 13,000 people had lost their lives barely a stone's throw from them, the citizens of Dachau claimed shock and surprise and answered, "Was koennten wir tun?" (What could we do?)."