For Christians across the country, December is a time when we tell and retell the story of Christmas. The familiar tale begins with the journey to Bethlehem—which can lead us to reflect on our own personal and communal journeys toward grace and love. Unfortunately, more than a few Christian-nationalist leaders have wandered off that path to focus on their own power this season, distorting the Gospel and sowing violent conspiracy theories. It's a spiritual and moral detour that is dangerous for the church and our democracy. Thankfully, it's one that the vast majority of Christians in this country reject. But...