Napoleon Bonaparte, Adolf Hitler, and Joseph Stalin were three tyrants, and the effects of their brutal regimes are still with us. Each attained absolute power, and misused it in a gargantuan fashion, leaving in his wake a trail of hatred, devastation, and death.In A Brotherhood of Tyrants, D. Jablow Hershman and Julian Lieb uncover manic depression as a hidden cause of dictatorship, war, and mass killing. In comparing these three tyrants, they describe...