The CIA has released declassified President's Daily Briefs from the months leading up to the September 11 attacks to commemorate the anniversary. Readers argue that without the broader context of thousands of other daily intelligence reports, it is easy to unfairly cherry-pick the agency's failures. Commenters suggest that factors like alert fatigue, political transitions, and the inherent difficulty of filtering actionable threats from vast amounts of data complicated the intelligence community's ability to prevent the tragedy.