CDC is assisting authorities in Fiji
                                
                                
                                    (Newser) -
                                    David and Michelle Paul, a healthy, fit American couple in their 30s, went on a dream vacation to Fiji and never came back. The residents of Fort Worth, Texas, died suddenly from an illness that still hasn't been identified,  WFAA  reports. Sister-in-law Tracy Calanog tells the station that they...