If you ask the majority of Muslims in the world they will tell you Saddam Hussein was not a Muslim. Just because you call yourself one, does not make you one. As for the chemical weapons that he used, and why he did it, you need to ask Rumsfield and The US who call themselves believing Christian, who supplied them to him, and gave him a green light to fly in a no fly zone, so he can drop it on thousands of innocent women and children.
Palestinian foreign minister filed report to ICC over torching of Duma home (Haaretz)
from the article: Ahmadinejad: Israel has nukes while Iran banned from nuclear energy