Faced with an angry minority of people who believe the Sept. 11 attacks were part of a shadowy and sprawling plot run by Americans, separate reports were published this week by the State Department and a federal science agency insisting that the catastrophes were caused by hijackers who used commercial airliners as weapons. The official narrative of the attacks has been attacked as little more than a cover story by an assortment of radio hosts, academics, amateur filmmakers and others. As a motive, they suggest that the Bush administration wanted to use the attacks to justify military action in the Middle East. A nationwide poll taken earlier this summer...found that more than a third of those surveyed said the federal government either took part in the attacks or allowed them to happen. And 16 percent said the destruction of the trade center was aided by explosives hidden in the buildings. Details are available at http://newspolls.org. The State Department report...is titled, "The Top Sept. 11 Conspiracy Theories" and says, "Numerous unfounded conspiracy theories about the Sept. 11 attacks continue to circulate, especially on the Internet." Produced by an arm of the State Department known as a "counter-misinformation team," the report is dated Aug. 28...at http://usinfo.state.gov/media/misinformation.html. Among those now propelling the argument that explosives took down the trade center is Steven E. Jones, a physics professor at Brigham Young University, coeditor with Mr. Ryan of www.journalof911studies.com, which published his paper, "Why Indeed Did the World Trade Center Buildings Completely Collapse on 9-11-2001?"

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