Yes, these are really the front and back covers of this week's issue of Nature.
The dog on the left looks so hopeful. The dog on the right... confused.
On a more serious note, Nature does have a full section on the upcoming election, including Obama's answers to some science-related questions (McCain declined to participate). Check it out.
Hat tip to Ed Yong of Not Exactly Rocket Science.
But where's the pit bull?