P432ORACLE 432 Mon24 Feb C4 1711:58        Monday, February 24, 10.00pm The fourth film in this series exploring the limits of human endurance deals with torture and interrogation. Survival in these circumstances means enduring the infliction of pain, solitary confinement and psychological assault. A South American woman, a Russian dissident and a US prisoner-of-war in Vietnam tell their grim stories. Frontlines previews this programme on page 442.  Mini-magazines index 440 