Cory Doctorow:
Bruce Schneier has a great new slogan for the Boston PD (who recently followed up their million-dollar panic over lite-brite boxes by blowing up a traffic-counting machine):

Boston PD: Putting the "error" in "terror."

Link

See also:

Boston police blow up traffic counter chained to lightpost

Deconstructing the Great ATHF Freak Out of 2007

Update
Greg sez, "The folks at Controvert have a sticker that, though a few years old, is timely once again in light of the recent ATHF attacks on 1/31."

(Via Boing Boing.)