'Human error’ led to U.S. forces striking Afghan hospital

Aired: 11/25/2015 | 0:06:00 | Clip
Two months after bombing a hospital in Afghanistan, the U.S. has completed an investigation into the incident. Hari Sreenivasan speaks to Gordon Lubold of the Wall Street Journal, who has been briefed on the report, about why the hospital was mistakenly targeted.