Bin Laden Determined to Strike in U.S.” … Administration officials dismissed the document’s significance, saying that, despite the jaw-dropping headline, it was only an assessment of Al Qaeda’s history, not a warning of the impending attack. While some critics considered that claim absurd, a close reading of the brief showed that the argument had some validity.

That is, unless it was read in conjunction with the daily briefs preceding Aug. 6, the ones the Bush administration would not release. While those documents are still not public, I have read excerpts from many of them, along with other recently declassified records, and come to an inescapable conclusion: the administration’s reaction to what Mr. Bush was told in the weeks before that infamous briefing reflected significantly more negligence than has been disclosed. In other words, the Aug. 6 document, for all of the controversy it provoked, is not nearly as shocking as the briefs that came before it.