If you follow the news about gun violence in America, you know that there’s a lot to be pessimistic about. Guns were already a major public health concern when the pandemic hit and the murder rate skyrocketed. The surge in homicide in 2020 and 2021, research has shown, was best understood as a surge in gun violence, with firearms-related deaths counting for the majority of the increase. Not all communities suffered equally: In 2020, 61 percent …