The only time I saw a 'W' sticker on a car in my old neighborhood of Cambrdge MA, it was missing it's back window.
Must have been a bird or something that flew into it./s
Nobody wants to see any cars vandalized but if it were we'd make sure America knew about it...
"Anti War "Peaceniks" Vandalize Cars Across Country"
Must have been a "Tolerance" bird.