One Tuesday afternoon, Leo, a five-year-old with a superhero cape and a very serious scowl, sat on the exam table. He was there for his kindergarten boosters, and he was ready for battle.
Author of The Common Sense Book of Baby and Child Care , he revolutionized parenting in the 20th century. pediatrician
Slowly, the arms uncrossed. Elena listened to his heart—a steady, racecar beat—and checked his "super-vision." When it came time for the shots, she didn't call them shots. She called them "software updates for his immunity-shields." One Tuesday afternoon, Leo, a five-year-old with a
