Last week, an important feminist died; her name was Linda R. Hirshman. Hirshman felt annoyed by a certain kind of feminism--a kind that said staying at home is a valid choice. Many of us believe that no one's decision should be scrutinized, in this area; any option is an OK option. But Hirshman disagreed. She was delightful in her bluntness, her judginess. "Staying at home?" she said. "This is not what Betty Friedan was fighting for. Women need to work. They need to choose top positions in business and law. Perhaps the house will not be clean--but the children will develop robust immune systems." The NYTimes linked Hirshman with Nora Ephron, who observed that an insidious question, in any household, is: "Where is the butter?" This is a question the husband asks the wife. It has many unstated meanings: "Locate the butter for me. Open the butter packaging. Monitor the amount of butter we have in the house. Purchase new butter when we're runnin...