L.A. students join nationwide walkouts and actions to remember Parkland victims, push gun control

At Hamilton High School, the protest began with a young man and a bullhorn.

Ari Elkins, a senior, stood on the front lawn of his Palms school and in a voice both firm and loud, cried out: “No more silence! End gun violence!”

Seconds later, hundreds of his fellow students came pouring out the building’s...