WASHINGTON - A military investigation into FBI reports of prisoner abuse at the U.S. naval base at Guantanamo Bay, Cuba, recommended that the base's former commander be reprimanded, but a top general rejected the recommendation, according to a congressional aide familiar with the inquiry's findings. In the latest examination of a facility that has become a battleground over the U.S. treatment of detainees from the war against terrorism, the aide said investigators recommended that Army Maj. Gen. Geoffrey Miller be reprimanded for failing to oversee the interrogation of a high-value detainee, which was found to have been abusive. But Gen....