Yesterday—the day of the shooting at Annunciation Catholic Church in Minneapolis—was the first day of school for my oldest children. There’s nothing about a shooting at a Catholic school that is more or less tragic than a shooting at any other school. Ever again…” Matt DeBoer, principal of Annunciation Catholic School, said in a press conference. They’re the sort of doors where, once you’re inside the school, you’re not supposed to let anyone else in. I pictured these children all sitting silently on the floor together in an old Catholic school.