In the darkest days of the Persian War when the armies of Xerxes were overrunning northern Greece, Athens faced destruction. The desperate Athenians consulted the oracle at Delphi, who answered, "For thus saith Zeus, that when all else within the land of Cecrops is wasted, the wooden wall alone shall not be taken." The British historian, George Cox agrees with many other authorities that the Greek statesman, Themistocles, bribed the oracle. Realizing that their survival depended upon a str...