Mara Herbkersman and Emily Bielagus, co-founders of the lesbian bar, The Ruby Fruit, sell branded bumper stickers that read: "keep honking. i'm listening to THE INDIGO GIRLS" for $5 each online.

Gone are the days of “Coexist” or “This car climbed Mt. Washington.” Bumper stickers have lately gotten a lot weirder, and much more niche. By Charles W. McFarlane You can spot them in the ...