DUBAI (Reuters) - Osama bin Laden said Zacarias Moussaoui, the only person convicted in a U.S. court for the September 11 attacks, had nothing to do with the operations, according to a Web site audiotape released on Tuesday. Bin Laden said he had personally assigned tasks to the 19 hijackers who staged the attacks on U.S. cities which killed about 3,000 people. "The truth is that he has no connection whatsoever with the events of September 11. I am certain of what I say because I was responsible for entrusting the 19 brothers ... with the raids," said the speaker...