Frowning thoughtfully, Lan Yotar pushed a button on his desk and waited till the televisoscreen above it glowed, showing the respectful face of an attendant. "Ask Tir Latoka to come here immediately, please," said the Chief of the Council of Elders. "I hear and obey," came the routine reply, and the attendant's face vanished from the screen. Leaning back in his chair, Lan Yotar gazed somberly at the report in his hand, till the Chief Scientist's voice recalled him to his surroundings. "You sent