BAGHDAD (AFP) - A US military hearing to determine whether to court martial a group of soldiers for the rape and murder of a teenage Iraqi girl and the slaughter of her family was set to wrap up proceedings. Specialist James Barker, Sergeant Paul Cortez and Privates Bryan Howard and Jesse Spielman have been accused of taking varying roles in a massacre in a town south of Baghdad on March 12. Private Steven Green, described by the defence as the ring-leader, has been charged with rape and murder and will stand trial in a civilian court in the US state...