Yes, this is an official campaign poster.
I'd sooner believe that McCain is Jesus than that he offers a "wise" foreign policy.
Meanwhile, Obama is in Israel. From M.J. Rosenberg at TPM Cafe:
I just talked to a friend who saw Obama in Israel. I asked him what his friends in the Israeli media are saying. "What are they saying? They are saying that he's the next President. And they think he's the smartest American politician they have seen yet."