Suburbs of Reading, Pennsylvania, February 23, 2047 Peter Smith climbed slowly out of the cab, his old joints protesting after the long ride. The Mexican cabby dropped his bag on the sidewalk and uttered a few words of Spanish as he climbed back in and ran the fare. Then he was off, the whir of the electric motor taking him to his next appointment. He stood there looking at the house, closing his coat against the biting wind. Once upon a time his grandparents had lived in this neighborhood. He remembered the neat lawns surrounding neat houses. He recalled stories...