Campaign bumper stickers are part of a hallowed (if sometimes raucous) tradition, as Martha Teichner now tells us: It’s been said that Americans consider their cars extensions of their personalities, ...

A STICKY HISTORY: Consider the bumper sticker, that easy-to-apply accessory that gives others a glimpse into the vehicle owner's personality, tastes, hobbies, political affiliation or sense of humor.

Los Angeles has reached peak bumper sticker: It’s now common to see cars displaying a rainbow of decals. Today’s stickers often mimic classic formulations from bumper stickers past and declare loyalty ...