Most of the 9/11 commission's recommendations have been implemented, but three reforms, in particular, have failed to fully take shape since 2001.
The fumbled recountings of the attack on the bin Laden compound undermine the operation itself and the credibility of the US government, analysts say. It also helped to fuel conspiracy theories.
President Obama's nominee for Director of National Intelligence, retired Air Force Lt. Gen. James Clapper, is expected to face a tough Senate confirmation hearing Tuesday.
The FBI had limited time to investigate alleged Ft. Hood shooter Maj. Hasan’s purchase of guns used in the deadly attack. Critics say pro-gun lawmakers have blocked efforts to connect gun purchases with potential terrorists.