Officials gave green light for array of painful interrogation techniques
                                
                                
                                    (Newser) -
                                    The Justice Department under Alberto Gonzales secretly endorsed the use of torture techniques during interrogation by the CIA, the New York Times reports. A classified 2005 legal memorandum authorized the harshest  techniques ever used by the CIA, the Times says, including a combination of head-slapping, waterboarding, sleep deprivation, freezing, loud...