For more than a year, former Marine Staff Sgt. Jimmy Massey has been telling anybody who will listen about the atrocities that he and other Marines committed in Iraq. In scores of newspaper, magazine and broadcast stories, at a Canadian immigration hearing and in numerous speeches across the country, Massey has told how he and other Marines recklessly, sometimes intentionally, killed dozens of innocent Iraqi civilians. Among his claims: Marines fired on and killed peaceful Iraqi protesters. Americans shot a 4-year-old Iraqi girl in the head. A tractor-trailer was filled with the bodies of civilian men, women and children killed...