Children suffering from scoliosis — curvature of the spine — may one day have a new treatment, thanks to the invention of a Long Island high school student. As CBS 2′s Carolyn Gusoff reported, Harry Paul, 17, knows first-hand what it’s like growing up in need of constant spinal operations, and he’s on a mission to change that. “I’m happy when I’m helping people, and I’m better at helping people by being happy,” said Paul, a senior at Paul D. Schreiber High School. Paul, who stands 4 feet, 10 inches tall, has endured more than a dozen surgeries to treat...