More than 40 “PDBs [President’s Daily Briefings] presented to [President] Bush from January 2001 through September 10, 2001, included reference to Bin Laden. And nearly identical intelligence landed each morning on the desks of about three hundred other senior national security officials and members of Congress in the form of the senior executive intelligence brief, or SEIB, a newsletter on intelligence issues also prepared by the CIA.”
– Philip Shenon, The Commission, Pages 151-152