It took a tough question from Matt Lauer, but after having laughably claimed that "the system worked," Homeland Secretary Janet Napolitano has now conceded the obvious: that the security system that permitted Umar Farouk Abdulmutallab to board NWA 253 with explosives "failed miserably." On Today and in other interviews this morning, Napolitano attempted to use her own ignorance as a shield. Each time she was hit with a hard question, her response was to the effect "yeah, we're wondering about that ourselves." She also continued to point the finger back at the Bush administration, repeatedly mentioning that the security procedures...