The nation is asking questions – again – after a gunman killed 19 children and two adults in Uvalde, Texas. This ABC News Radio special, anchored by Alex Stone, examines all angles of this week’s elementary school shooting. Can anyone explain how this happened? What should parents tell children? Will anything change? With reporting from ABC’s Jim Ryan and Mireya Villarreal on the scene, White House Correspondent Karen Travers, our investigative team, relatives of people who lost loved ones in other shootings, and experts on safety and mental health. Learn more about your ad choices. Visit megaphone.fm/adchoices