An American soldier allegedly went on a rampage and killed 16 Afghan civilians . General Abrams : Has psychological impact of Afghanistan war been underestimated ? One convenient answer would be that he is a `` bad apple , '' he simply went temporarily insane . He says the soldier 's horrific act can not be attributed solely to traumatic brain injury . Zillmer : Our military must do more to prepare soldiers for combat in war zones .
An American soldier allegedly went on a rampage and killed 16 Afghan civilians . General Abrams : Has psychological impact of Afghanistan war been underestimated ? He says the soldier 's horrific act can not be attributed solely to traumatic brain injury . Zillmer : Our military must do more to prepare soldiers for combat in war zones .