Two years ago at the start of 4th grade, Claire had to identify her “hero” and write a short blurb about that person. She chose to write about me, and I wrote a blog post about how touching it was to have her do that. So when Austin finished his first day of school last Monday, I already knew what his first assignment was going to be. He needed my help, because everything is digital now. I asked him who he was going to pick as his hero. “Grandpa Tom,” he said, as though it was the most obvious thing in the world. I asked him why he picked Grandpa…