We all have battles to fight, whether at work or at home. The trick is know which battles to fight, which to postpone, and which to run from. No one knew more about fighting battles than the ancient Chinese general Sun Tzu, who wrote the classic book on military strategy, "The Art of War." What can a Chinese warrior teach us about choosing our own battles? Today the Guys draw principles from "The Art of War" to give time-tested advice for achieving victory in your own battles.