"What's happened to my children?" "If you will go inside and sit down—" "What's happened to my children? Tell me now!" "If you will go inside and sit down—" Steel and electrons and wires and robotic brains were inflexible. How can you force steel to speak? All over the land the people went inside and sat nervously waiting an explanation. There was no one out on the streets. From inside the houses came the sound of surprise and agony. After a time there was silence. The robots came out of the houses and went walking back to the schools. In the cities and in the country there was the strange and sudden silence of tragedy. The children did not come home. The morning before the robots walked, Johnny Malone, the Mayor's son, bounced out of bed with a burst of energy. Skinning out of his pajamas and into a pair of trousers, he hurried, barefooted, into his mother's bedroom. She was sleeping soundly, and he touched one shoulder hesitantly. "Mother!" The sleeping figure stirred. His mother's face, still faintly shiny with hormone cream, turned toward him. She opened her eyes. Her voice was irritated. "What is it, Johnny?" "Today's the day, mommy. Remember?" "The day?" Eyebrows raised. "The new school opens. Now we'll have roboteachers like everyone else. Will you fix my breakfast, mother?" "Amelia will fix you something." "Aw, mother. Amelia's just a robot. This is a special day. And I want my daddy to help me with my arithmetic before I go. I don't want the roboteacher to think I'm dumb." His mother frowned in deepening irritation. "Now, there's no reason why Amelia can't get your breakfast like she always does. And I doubt if it would be wise to wake