An investigating officer in Baghdad has recommended that commanders drop voluntary manslaughter and conspiracy charges against a Pennsylvania National Guard soldier after determining that he followed appropriate rules of engagement when he killed an Iraqi man in the insurgent stronghold of Ramadi in February. Army Lt. Col. John W. McClory found that Spec. Nathan B. Lynn, 21, of South Williamsport, Pa., did nothing wrong in shooting Gani Ahmad Zaben in the post-curfew darkness outside a group of homes on Feb. 15. McClory ruled that Lynn thought the man was armed with an AK-47 and believed he was a threat. Military...