The Secrets of Autism The number of children diagnosed with autism and Asperger’s in the U.S. is exploding. Why? By J. Madeleine Nash Rapporto di Amy Bonesteel /Atlanta Tommy Barrett is a dreamy-eyed fifth-grader who lives with his parents, twin brothers, two cats and a turtle in San Jose, Calif., the heart of Silicon Valley. He’s an honor-roll student who Continue Reading...