I would have considered this a one-off Brooklyn anecdote, but then I tweeted it and received responses like this, from the baseball writer (and Chicago-dweller) Tim Marchman:

Word on the playground at my kid’s school is that Mitt Romney hates firefighters.

And this from a chap called Judah, who may or may not be from San Dimas:

I heard “Romney is Jewish, no wait, he killed someone Jewish” from my 7 year old today.