Freeways are clogged. Terror stalks our cities. At shops and restaurants, the customer is seldom right. The pressures of big-city life can anger anyone. But Bill Foster is more than angry. He`s out to get even. "I'm going home," Foster saus as he abandons his gridlocked car on the hottest day of the year. Instead, he walks straight into an urban nightmare by turns absurdly funny and shatteringly violent.