SOUTH FLORIDA SUN-SENTINEL VIA AP
Stephanie Horowitz, 19, a recent graduate of Marjory Stoneman Douglas High School holds up a sign during the March For Our Lives Parkland to Demand an End to Gun Violence rally at Pine Trails Park Amphitheater in Parkland, Fla., on Saturday, June 11. The rally and march coordinated with over 400 marches nationwide.