There are films that critics unanimously consecrate, and others that, despite critical derision, retain a strange and enduring grip upon memory. Such ambivalently received films are cherished with an almost irrational devotion by those who encounter them at the right age and the right mood. The Cold War yarn ‘Ice Station Zebra’ (1968), from the nerve-wracking novel by thriller maestro Alistair MacLean, belongs firmly to the latter category. I watched it during adolescence whe