Spc. Ricky Elder was facing legal problems in Army and personal life
                                
                                
                                    (Newser) -
                                    A soldier who  shot and killed his battalion commander  at Fort Bragg last week, injured a second soldier, then shot himself has died of his injuries, reports  AP . Spc. Ricky G. Elder, 27, died Friday while receiving treatment at a local medical center, according to an Army news release issued...