The Galactic Hegemony has been around a long time, and it likes stability--the kind of stability that member species like the aggressive, carnivorous Shongairi tend to disturb. So when the Hegemony Survey Force encountered a world whose so-called "sentients"--"humans," they called themselves--were almost as bad as the Shongairi themselves, it seemed reasonable to use the Shongairi to neutralize them before they could become a second threat to galactic...