This July 27, 2014, photo provided by U.S. Customs and Border Protection shows Tashfeen Malik (left) and Syed Farook as they passed through O’Hare International Airport in Chicago. The husband and wife died Dec. 2 in a gunbattle with authorities several hours after their assault on a gathering of Farook’s colleagues in San Bernardino, Calif.
This July 27, 2014, photo provided by U.S. Customs and Border Protection shows Tashfeen Malik (left) and Syed Farook as they passed through O’Hare International Airport in Chicago. The husband and wife died Dec. 2 in a gunbattle with authorities several hours after their assault on a gathering of Farook’s colleagues in San Bernardino, Calif. File photo The Associated Press
This July 27, 2014, photo provided by U.S. Customs and Border Protection shows Tashfeen Malik (left) and Syed Farook as they passed through O’Hare International Airport in Chicago. The husband and wife died Dec. 2 in a gunbattle with authorities several hours after their assault on a gathering of Farook’s colleagues in San Bernardino, Calif. File photo The Associated Press

David Brooks: How the Islamic State cultivates its radicals

December 08, 2015 05:33 PM