"The Pivot of Civilization" was published in 1922. It contains Margaret Sanger's belief that civilization rises or falls on how it views the 'people problem.' It wasn't simply the fact that there were too many people. The kind of people roaming the planet were also a problem. What kind of people? Sanger says it explicitly: feeble-minded, defective, moronic, epileptic people. What should be done with them? They should be put into camps. They should...