Chain of errors led to U.S. bombing of Afghan hospital

Aired: 4/29/2016 | 0:08:43 | Clip
The Pentagon revealed that the bombing of an Afghan hospital occurred when U.S. forces preemptively fired to clear the way for an Afghan offensive. U.S. and Afghan forces were not under fire when U.S. aircraft destroyed the hospital. Hari Sreenivasan takes an in-depth look at the series of errors with Jamie McIntyre of the Washington Examiner.