In 1793, on the eve of the Terror in France, the royalist journalist Mallet du Pan coined the adage ‘The Revolution devours its children.’ Today, on the left, history is repeating itself as farce. In universities, childish pseudo-revolutionaries are devouring their elders and self-styled radical betters.

Last week, student activists at Columbia University in New York mounted a concerted campaign against that notorious neo-fascist puppet Pinocchio.