US prisoners share some smiles and a game of chess.— VNS File photos Invoking Viet Nam to cover up Iraq abusesThe Iraqi prisoner abuse scandal calls forth questions over the American War in Viet Nam: "How were captured US troops treated?" and "How did the Americans treat the Vietnamese?"Diem QuynhThe Voice of America has attempted to deflect criticism of American soldiers’ treatment of Iraqi prisoners by claiming recently that captured US troops were treated worse in Viet Nam.Besides begging the fundamental question "what were the Americans doing in Viet Nam in the first place?" the claim is also patently...