There are some mysteries so dark, so staggeringly enigmatic, that the brain simply shuts down when forced to ponder them. Take, for example, the fact that we in the allegedly pro-family United States have almost no paid parental leave and very little open flexible work . As is so often pointed out, that’s not true elsewhere in the developed world—as this recent New York Times article about flexible work in the Netherlands reminded me: For reasons that blend tradition and modernity, three in four working Dutch women work part time… But in just a few years, part-time work has ceased being the...