Political Bumpers 2008

Mr. T in DC recently visited Leesburg Virginia and made some informal observations about bumper stickers (and yard signs) on the way:
The fun game of the day was keeping track of Obama versus McCain bumper stickers and yard signs on our trek into Virginia. Surprisingly, this election cycle finds Virginia a swing state rather than [...]

Apparently, this summer The New York Times standards editor Craig Whitney sent a memo to his staff, instructing them not to display any political bumper stickers (or engage in any other activity which showed political preference):
On a recent road trip, I found numerous funny, bittersweet, or just bitter or idiotic political bumper stickers a welcome [...]