Counterterrorism chief says ISIS adapting to inspire attacks
Clip: 12/11/2017 | 7m 54s | Video has closed captioning.
What do officials know about the attempted morning attack of a New York subway and the motives of the alleged bomber? Nicholas Rasmussen, outgoing director of the National Counterterrorism Center, joins Judy Woodruff to discuss the difficulties of preventing such attacks and the chances of another 9/11-style event.
Problems Playing Video? | Closed Captioning