... up the spacegram again and studied it. Stutsman, out on Callisto now, had sent it. He was doing a good job out there. The Jovian confederacy, less than one Earth year under Interplanetary domination, was still half rebellious, still angry at being forced to turn over its government to the hand-picked officials of Chambers' company. An iron heel was needed and ... — Empire • Clifford Donald Simak