When women start doing what men have traditionally done, yours is a civilization of the setting sun. This is brought to mind when pondering a recent Pew Research Center study showing that women are now the primary or sole breadwinners in 40 percent of American households. You may have heard the story -- it created quite a stir on Fox News, with Greta Van Susteren and Megyn Kelly (who became quite hysterical) taking exception to male colleagues' warnings about the development's sociological implications. But if these two ladies, and the other critics, had reacted rationally and not emotionally, they would...