I Was in High School When a Shooting Turned Me Into a Gun Violence Activist. Here’s What I Want the Walk-Out Kids to Know.
Nza-Ari Khepra, age 21, is already a veteran gun reform activist. She was 16 years old when her friend, Hadiya Pendleton, was shot and killed at a playground near their Chicago high school in 2013. Hadiya was an honor…