Or is it political comment? The Times of London notes that the journal Nature had an interesting juxtaposition of front and back covers for this week's issue. The front cover is a serious pair of pictures of the two U.S. Presidential candidates, with various articles in the issue discussing the positions of the candidates on science topics.

The back cover? A pair of pictures of two dogs, cannily (caninely?) posed similar to the two gentlemen on the front cover. Nature says they were completely unaware of the mirroring between the front and back covers until the issue landed on the desk...