The Navy captain in charge of the naval station at Guantanamo Bay, Cuba, has been fired and is being investigated in connection with an alleged affair with a woman on the base and the recent death of her husband, U.S. officials said Wednesday. Capt. John R. Nettleton was relieved of duty Wednesday due to a loss of confidence in his ability to command, the Navy said in a press release. The Navy would not comment on the details of the investigation. But U.S. officials said Nettleton is under investigation in connection with the death of Christopher Tur, who was found...