DUBAI (Reuters) - Osama bin Laden accused George W. Bush on Saturday of deceiving Americans and said the Sept. 11 attacks would not have been so severe if the U.S. president had been alert. Bin Laden, appearing in a video on Al Jazeera four days before the U.S. presidential election and gesturing at the camera with a finger to stress points, made his clearest comments yet taking responsibility for the Sept 11 attacks. "Despite entering the fourth year after Sept. 11, Bush is still deceiving you and hiding the truth from you and therefore the reasons are still there to...