Mr. Lynch had never donated to a campaign or so much as put a bumper sticker on his car.

WSJ: Rebel Movement Takes Center Stage

In August, he reported to police that his car was keyed and a bumper sticker that read "Allah is Love" was torn off.

CNN: STORY HIGHLIGHTS

The Marquette University poll revealed that 26% of all voters have slapped a bumper sticker on their car or planted a sign in their lawn.

CNN: Walker's fate in Wisconsin comes down to ground game

" asked a student on a recent afternoon, glancing at a bumper sticker on the wall that read, "A Lady With a Gun Has More Fun.

WSJ: Young Scientists Take Aim

And that theory fits well on a bumper sticker.

FORBES: Obama Is An Awful Economic Historian

It's hard to capture on a bumper sticker.

CNN: My hardest decision: Saying no to Afghanistan war

Randy Stanley, who recently leased a Nissan Leaf and has a bumper sticker declaring, "This machine starves terrorists, " calls it a "chicken-or-the-egg" scenario -- charging stations won't pop up unless there's demand, but some drivers are reluctant to get an electric car until they see more public stations.

CNN: Public charging stations fuel desire for electric cars

Hillary Clinton invited supporters to help choose her theme song, and the Democratic Senatorial Committee is running a contest to design a new bumper sticker.

NPR: Mitt Romney Involves Supporters in Campaign Ads

Mr. Weinstein, whom the Associated Press once quoted as saying that a Christian-themed bumper sticker on an officer's car or a Bible on an officer's desk can amount to "pushing this fundamentalist version of Christianity on helpless subordinates, " wants the Pentagon to court-martial officers who proselytize.

WSJ: Mollie Ziegler Hemingway: The Pentagon's Problem With Proselytizing

Not so long ago, Bradley was reticent about his sports stardom (although he did make discreet use of it in some of his Senate campaign ads), but now his bumper sticker could be a Nike swoosh.

CNN: The Branding of Bill Bradley