For the remaining prisoners at the Guantanamo Bay, Cuba detention facility, “time becomes elastic,” in the words of filmmaker Alex Gibney. One long-time detainee, for instance, Abu Zubaydah, just had his petition to get information from the CIA about his torture and treatment denied by the Supreme Court. But Gibney, in his most recent documentary, “The Forever Prisoner,” does interview key figures in the saga. Political Theater recently discussed with Gibney his techniques and motivations for that project.

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