You can spot them in the parking lot of a grocery store. They catch your eye at a red light or while stuck in traffic. You squint to read: What do they mean by “Former Baby on Board” or “Keep honking ...

I’m not a big honker (not that kind of honker, excuse you), but I’ll tap my horn when someone turns illegally or stares at their phone through an entire green light. Or—and this happened to me just ...