One year ago today, most of us listened with shock and disbelief as we heard the news of the shootings at Sandy Hook Elementary School in Newtown, Connecticut. And then came the grief. I remember vividly that once the news sank in I was nearly overwhelmed with this profound sense of sadness. Having just earlier dropped my kids at school and on my way home after running some errands, I had to pull over until I could calm down enough to drive again. Over and over again, I kept thinking that is was so many children. How could this possibly happen? In the days and weeks to come, similar outpourings of grief and sympathy flooded Newtown from...