Enter your email address:

Enter the recipients' email addresses, separated by commas:

Message:

Carlos Osorio / AP Photo As investigators say al-Qaeda planned the Christmas day attempt to blow up Northwest Flight 253, sources tell Gerald Posner that signs point to a security slip-up at the Lagos embassy.

The first goal of government investigators this Christmas weekend? “Trying to figure out if the guy is a nut or an operator,” a senior U.S. intelligence official, referring to 23-year-old Abdul Farouk Abdulmutallab, a Nigerian national who unsuccessfully tried to ignite an explosive device on an incoming Northwest airlines flight to Detroit on...