Melissa Harris-Perry 12/12/15

What does it mean to be radicalized?

The word “radicalized,” has become a key word for investigators in the San Bernardino shooting to describe the two attackers. MSNBC’s Melissa Harris-Perry is joined by the Executive Director of the “Terror Asymmetrics Project,” Malcom Nance and the Executive Director of the Arab American Association of New York, Linda Sarsour, to define this powerful word. ... more Duration: {{video.duration.momentjs}}