Why the Navy is changing its approach to PTSD

Aired: 6/16/2016 | 0:05:50 | Clip
For years, the military has struggled to deal with the unseen, psychological wounds of war, especially Post Traumatic Stress Disorder. Now, Navy Secretary Ray Mabus has instituted major changes to the rules affecting sailors and Marines who suffer from PTSD. Mabus joins John Yang to explain the reforms and why they are necessary.

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