The New York Times article Bomb Plot Shows Key Role Played by Intelligence has some useful information about this unfolding case.
However, I don’t know if the following would fit that classification.
In discussing why most security efforts have been spent on protecting passenger flights rather than cargo flights, the article says the following:
For the most part, governments around the world had bet that it was less likely that the cargo system would be the target of attacks, given that its flights carry few passengers.
Whether or not the experts are right about the bomb being meant to explode while the plane was in flight, it still could have been timed to kill large numbers of people on the ground. So carrying few passengers is hardly of concern to a terrorist.
Maybe the headline should have read “Bomb Plot Shows Key Role Played By The Lack Of Intelligence”. You don’t have to even make a bet that your enemy will focus his or her efforts on the weakest part of your defense. It’s a sure thing that if terrorists discover through reading the newspapers that you are not focusing your security efforts on cargo transportation, then that is where they will strike next.
We all read in our history books about France’s Maginot Line to protect themselves from an attack by Germany. In World War II, the German attack merely bypassed the Maginot Line. [I must admit that if you read and believe the WikiPedia link above about the Maginot Line, perhaps what we think we know for sure ain’t really so, to paraphrase Mark Twain.]