National Edition News cover for April 7, 2014 - Military hits breaking point on mental health problems: This photo provided by Glidden Lopez shows Army Spc. Ivan Lopez. Lopez killed three people and wounded 16 others in a shooting at Fort Hood, Texas, on Wednesday, April 2, 2014, before killing himself. Investigators believe his unstable mental health contributed to the rampage. (AP Photo/Courtesy of Glidden Lopez)
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