In Dr. Seuss’ The Butter Battle Book, the Yooks are separated from the Zooks by a wall, an arbitrarily drawn line that defines their respective boundaries. They wage a battle suggestive of Cold War escalation, each side topping the other with a more sophisticated and powerful weapon until they both reach the same inevitable conclusion – an indefensible weapon called the Bitsy Big-Boy Boomeroo. All this because they fundamentally disagree on which side of their bread should be....