NPR's Richard Harris reports that the Defense Department says it is starting to refocus its investigation of illnesses among Gulf War veterans as a result of recent revelations that some troops may have been exposed to chemical weapons during clean-up efforts after the war. The Pentagon's top doctor, Steven Joseph, says the realization is "a watershed" in trying to understand the mysterious ailments. The Pentagon now presumes some soldiers have been exposed to chemical weapons, though no illnesses have been clearly linked to the chemicals.
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