A year after his 700-page opus “Capital in the Twenty-First Century” stormed to the top of America’s best-seller lists, Thomas Piketty is out with a new argument about income inequality. It may prove more controversial than his book, which continues to generate debate in political and economic circles.
The new argument, which Piketty spelled out recently in the French newspaper Le Monde, is this: Inequality is a major driver of Middle Eastern terrorism, including the Islamic State attacks on Paris earlier this month — and Western nations have themselves largely to blame for that inequality.