"But the Pentagon researchers found no documents that referred to a plan to kill Bush. The absence was conspicuous because researchers, aware of its potential significance, were looking for such evidence. "It was surprising," said one source familiar with the preparation of the report (who under Pentagon ground rules was not permitted to speak on the record). Given how much the Iraqis did document, "you would have thought there would have been some veiled reference to something about [the plot]."" (thanks May)