'No need to panic': surgeon-general
                                
                                
                                    (Newser) -
                                    Nelson Mandel’s longer-than-usual hospital visit sparked  a flurry of concern and press speculation , but the former South African president left the ward today, having responded well to treatment for acute respiratory infection, the  AP  reports. The 92-year-old will receive care at home, said the surgeon-general. “Dr. Mandela is...