SF Masterworks Group discussion

World War III is raging - or so the millions of people crammed in their underground tanks believe. For fifteen years, subterranian humanity has been fed on daily broadcasts of never-ending nuclear destruction, sustained by the belief in the all powerful Protector. But up on Earth's surface, a different kind of reality reigns. East and West are at peace. And across the planet, an elite corps of expert hoaxers preserve the lie.

This is a good one. Not one of his best but a very good story nonetheless.