Franklin Roeder, head of Roeder Agrochemicals Ltd., has developed a killer pesticide spray by applying the principle of weedkiller (that the weeds outgrow themselves and die) to insects. The first part is a huge success; everything from frogs to wood lice become bloated under its effects; but the second part is much more of a problem; most of the creatures stubbornly refuse to die. Roeder persuades his lab scientists to lie in their reports, so…