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Invisible wounds: For veterans, the war goes on

We hear about the U.S troops killed in Iraq, and we sometimes see their faces on the TV screen or staring out at us from the newspaper. The number of dead stands at about 1,442. There is a second statistic: 10,770 troops have been injured. For many of them, their bodies are terribly damaged and disfigured, and they will never be the same.