Battle of the bumper stickers

Mitt Romney's campaign is so proud of his newest bumper sticker that they're saying it's "the bumper sticker that says it all":

Well, yeah. They aren't stupid, except for the part about making half their slogan so small it can't be read on the bumper of a car.

Even if it could be read, however, it'd still be no match for Joe Biden's bumper sticker:

(Higher resolution version here.)