By Vivian Hirschfield April brings rainstorms and, on sunny days, spring sports. For my family, April has a special meaning -- because it is Autism Acceptance Month. In March 2008, my younger brother Will was born. Shortly after he turned 3, he was diagnosed with Autism Spectrum Disorder (ASD). Will Hirschfield "shows empathy, compassion and determination every day," writes his sister Vivian. I like to think I teach Will a lot as his big sister, but I know that no amount of