Into a branch of the Tekoku Bank, Japan's largest, last week walked a middle-aged man of distinction wearing the arm band of a Tokyo municipal official. He said he was a city health inspector. Would the manager please summon all his employees for a dose of special anti-dysentery medicine?
The manager, a man with the habit of obedience to authority, lined up his underlings. The man with the arm band produced a bottle of colorless liquid and barked: "Drink this before locking the vaults." No one thought to ask why an anti-dysentery potion is not just as effective when a bank's vaults...