Traffic sucks. It's just fumes and honking, for the most part. But occasionally, a little bit of color emerges on the back of the car in front of you—a bumper sticker can turn a dull commute into a ...

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 ...

INDIANAPOLIS — Bumper stickers that say "unmarked police car" and sell for $2.50 online are intended as a joke. But two Indianapolis police officers apparently were seriously concerned when they saw ...