SAN DIEGO - A Baath Party official who died in a detention camp in southern Iraq suffocated after a U.S. Marine reservist grabbed him by the neck and snapped a bone in his throat, according to a military investigation. An autopsy found that Nagem Sadoon Hatab's death on June 6 was caused by "strangulation/asphyxiation," Marine spokesman 1st Lt. Dan Rawson said Wednesday. Hatab suffered a broken hyoid bone, a U-shaped bone that supports the tongue. Lance Cpl. Christian Hernandez and his superior officer, Maj. Clark A. Paulus, are charged with negligent homicide in the death. They have been assigned to...