‘Free Speech!’ is a clarion call all over the world, yet what it means today is more contested than ever. Many cultures regard it as dangerous: in China, India, and across the Islamic world, unorthodox views about politics, sex, and religion are repressed and people are often punished for expressing them. Even in the west, where it is held up as a core value, there is widespread discord and disagreement about what freedom of expression means. Amidst perennial imbalances of po...
