Does your imaginative, computer-proficient daughter tune out in the classroom? Does your spirited son become headstrong and aggressive when faced with the simplest decisions? Does your bold, energetic child have trouble focusing on basic tasks? Millions of children--one in five--have what psychologist Lucy Jo Palladino, Ph.D., calls the Edison trait- dazzling intelligence, an active imagination, a free-spirited approach to life, and the ability to...