"This possibility might help explain why the far left remains, for now, politically weak even as it enjoys a miniature intellectual renaissance. And it might hint at a reason that so much populist energy, in both the United States and Europe, has come from the right instead — from movements like the Tea Party, Britain’s UKIP, France’s National Front and others that incorporate some Piketty-esque arguments (attacks on crony capitalism; critiques of globalization) but foreground cultural anxieties instead."