Two failures
One detonation fail, one massive ongoing security theater fail. The roundup:
Schneier on Security: Separating Explosives from the Detonator
Sharp-Dressed Man (Day by Day Cartoon by Chris Muir, December 28, 2009)
TSA Fails to Intercept Terrorist; We Pay the Price - Megan McArdle
I don't know what annoys me more: Janet Napolitano saying "the system worked" when what she means is "the system failed, but smart passengers proved that the system is unnecessary", or the moronic new rules the TSA is apparently putting into place in order to "prevent" future such occurances.