Sarah Longwell serves on the Leadership Council for Conservatives Against Discrimination and is the chief executive of Longwell Partners. Last week, when I picked up my 3- and 5-year-old from school, I found myself drawn to the family pictures that adorn their classroom walls. The teachers asked us to send these photographs along with our children on the first day of school, as both a comfort measure as well as to help the kids get to know each other better. There’s me and my wife, smiling along with our two boys — all of us wearing helmets as we paused...