What are the limits of inequality? In a world with virtual reality, history might be an unreliable guide.
Time was you could imagine a peasant revolt: If the poorest were starving, they wouldn't wait around patiently for political change. Riots would disrupt the status quo. If things were really bad, the army might join in.
We have been experiencing some problems with subscriber log-ins and apologise for the inconvenience caused. Until we resolve the issues, subscribers need not log in to access ST Digital articles. But a log-in is still required for our PDFs.