Throughout history, a powerful force has hindered the growth of human welfare and happiness. It is more powerful than the Mafia or the military. It has global catastrophic effects and can be found anywhere from the world's most powerful boardrooms to your local bar. It is human stupidity. Carlo M. Cipolla, noted professor of economic history at the UC Berkeley, created this vitally important book in order to detect and neutralize its threat. Both hilarious and dead serious, it will leave you better equipped to confront political realities, unreasonable colleagues, or your next dinner with your in-laws.