Washington Post: “School shootings remain rare, even after 2018, a year of historic carnage on K-12 campuses. What’s not rare are lockdowns, which have become a hallmark of American education and a byproduct of this country’s inability to curb its gun violence epidemic. Lockdowns save lives during real attacks, but even when there is no gunman stalking the hallways, the procedures can inflict immense psychological damage on children convinced that they’re in danger. And the number of kids who have experienced these ordeals is extraordinary. More than 4.1 million students endured at least one lockdown in the 2017-2018 school year alone, according to a first-of-its-kind analysis by The Washington Post that included a review of 20,000 news stories and data from school districts in 31 of the country’s largest cities…”