The Last Word with Lawrence O'Donnell 12/07/15

CA couple radicalized ‘for quite some time'

Federal investigators now say the attackers in San Bernardino were radicalized sooner than previously thought. MSNBC’s Lawrence O’Donnell speaks with Lt. Col. Anthony Shaffer, Jeremy Bash, former chief of staff for Leon Panetta, and author Hassan Hassan. ... more Duration: {{video.duration.momentjs}}