Sheri Fink, a correspondent for The New York Times, discusses her recent piece, the latest installment in the Times’ “Lasting Scars” series: “Where Even Nightmare Are Classified: Psychiatric Care at Guantánamo,” which uncovers the secrecy, mistrust and the shadow of interrogation at the prison which limits doctors’ abilities to treat mental illness among detainees. Human rights groups and doctors consulting for defense teams describe the mental health care at Guantánamo as negligent and ineffective.