Self-censorship, the most important and most successful form of censorship, is rampant. Debate is identified with dissent, which is in turn identified with disloyalty. There is a widespread feeling that, in this new, open-ended emergency, we may not be able to 'afford' our traditional freedoms.
Susan Sontag (2007). “At the Same Time: Essays and Speeches”, p.152, Macmillan