BARACK OBAMA: The chicken crossed the road because it was time for a change! The chicken wanted change!JOHN MCCAIN: My friends, that chicken crossed the road because he recognized the need to engage in cooperation and dialogue with all the chickens on the other side of the road.SARAH PALIN: You betcha he crossed the road, but let's not talk about that, let's talk about energy policy, and how gosh darn hard it is for a...