This is the third in a series of three essays for a project with the Joseph Rowntree Foundation, Social justice in a digital age. The first essay explored platform capitalism and the second focused on care in a high-technology society.The more I grapple with big challenges in public policy, the more I think our language holds us back. We use the same words year after year — abstract nouns like inequality, consumer choice, or the Republican Party — even as the subjects of these words change be...