Barack Obama was seated next to a little girl on an airplane trip back to Washington. He turned to her and said: "Let's talk. I've heard that journeys seem shorter if you strike up a conversation with the person next to you." The little girl said: "Okay. What would you like to talk about?" "Oh, I don't know," said Obama. "What about the changes I should make to America?" "Yeah, that would be an interesting topic," she agreed. "But first let me ask you a question. A horse, a cow and a deer all ea…