After one guy inaccurately tossed a couple of tomatoes at Sarah Palin during a book signing in Minnesota, management at a Utah Costco decided that they weren't going to let a stunt like that happen on their watch. So when Palin came to the bulk-goods warehouse to sign Going Rogue, they removed all the tomatoes from their shelves for hours — because that is the only thing in a Costco that could be thrown at someone. [Salt Lake Tribune via Political Wire]

Related: A Recent History of Things That Have Been Thrown at Political Figures