A dog for the most difficult hours Vietnam, Iraq or Afghanistan: An army of US soldiers is heavily traumatized by wars. Specially trained dogs can help some of them to survive in peace times. Four-legged friends like Tucker in Texas. http://www.spiegel.de/politik/ausland/irak-krieg-und-posttraumatische-belastungsstoerung-hunde-helfen-a-1082438.htm