Fighting ISIS, on the battlefield and online

Aired: 3/25/2016 | 0:09:28 | Clip
Is the U.S. making headway in the fight against the Islamic State group? Judy Woodruff talks to retired Col. Derek Harvey, a former Army intelligence officer, and Brendan Koerner of Wired Magazine about the military offensive against ISIS, including the killing of a senior leader, and the resiliency of the group on social media.