But the thing is, this wasn't done on a national level. It was one cleric, and god knows there's bound to be a few nutty ones in a large enough group. He isn't speaking for any large faction, and certainly not for the Iraqi people. I doubt he even speaks for al-Sadr, cause if he supported this, he would have made the annoucement himself. He's radical, yes, but he has held off on directly declaring war on the US or the IGC.
Its like the one US general that said how Allah is the devil and he's a fake god and how his (the general's) god is the true god. There's a few loons in every bunch.