Agatha Christie’s murder mystery The Mousetrap is the longest running play in history. Its first run began in 1952, and it hasn’t stopped since. Another perennial whodunnit — “Who Murdered Political Science” — is mounting a strong challenge for the runner up. Regularly repeated performances haven’t stopped audiences from enjoying the traditional denouement, in which ...

Governments now answer to business, not voters. Mainstream parties grow ever harder to distinguish. Is democracy dead? Last September, Il Partito Democratico, the Italian Democratic Party, asked me to talk about politics and the internet at its summer school in Cortona. Political summer schools are usually pleasant — Cortona is a medieval Tuscan hill town ...