ROME - American soldiers in northern Iraq (news - web sites) mistakenly fired on a car carrying the Italian official heading up U.S. efforts to recover Iraq's looted antiquities, killing the man's Iraqi interpreter, an official said Friday in Rome. The Italian, Pietro Cordone, was unhurt. Cordone, who is the senior adviser for cultural affairs of the U.S. provisional authority and the top Italian diplomat in the country, was traveling between Mosul and Tikrit on Thursday when his car was fired on at a U.S. roadblock, said a Foreign Ministry official who spoke on condition of anonymity. The official...