1 | Detroit
Terrorism in the Air
On a Northwest/Delta plane flying from Amsterdam to Detroit on Christmas Day, Umar Farouk Abdulmutallab, a 23-year-old Nigerian, allegedly tried to ignite explosives concealed in his underwear but was overpowered by other passengers. The incident prompted a swift escalation of security measures by airlines, snarling holiday transportation on one of the year's busiest weekends. The apparent lapse that allowed Abdulmutallab to travel--he had been placed on a list of persons of interest but not on the so-called no-fly list after his father warned authorities about his radical tendencies--has led to increased scrutiny of the...