Billionaires to the Inequality Barricades

For several years now, populist politicians and liberal intellectuals have been inveighing against income inequality, an issue that is gaining traction among the broader body politic, as shown by a recent New York Times/CBS News poll that found that nearly 60 percent of American voters want their government to do more to reduce the gap between the rich and the poor. But in the last several months, this topic has been taken up by a different and unlikely group of advocates: a small but vocal band of billionaires.