It's the tenth anniversary of a certain historically-infamous President's Daily Brief, shown here being handed from (eventually failed Supreme Court nominee) Harriet Miers to (already a miserable failure of a president) George W Bush:
The significance of this PDB, for those who've forgotten, is its title: "Bin Laden Determined to Strike in US." (a PDF of the PDB is here). Bush's response to this warning? He told the CIA briefer "All right. You've covered your ass, now" and then went to clear some brush on his "ranch."
As far as the results of Bush's inaction, we all remember what happened (See here for more details. The PDB story is recounted in Ron Suskind's The One-Percent Doctrine.) Here's an annotated version of the photo: