Support WBURParkland Shooting Survivor Discusses Newfound Activism To End Gun ViolencePlay08:14Download AudioAilsa ChangWynne DavisMarch 23, 2018 ShareGabe Glassman is a sophomore at Marjory Stoneman Douglas High School in Parkland, Fla. After the deadly shooting in February, he and his mother, Lisa, have become active in the gun control debate. (NPR)