| Someone is knocking at India's door. No one special, just Ravi Khanna, a well-dressed young man who works hard and talks fast. But that unprepossessing exterior masks an agent of revolution, a force committed to arousing passions that are transforming India's tottering socialist order. "Good morning, Mrs. Bedi," Ravi says. "May I come in to show you the new Mitey-Vac? Is the man of the house in?"
Before Mrs. Bedi knows it, Ravi is inside her small New Delhi apartment, demonstrating his wonder contraption. "Can it do cobwebs, spiders and lizards?" asks a wide-eyed Mrs. Bedi. "Anything," Ravi boasts. Mr....