Mark Zuckerberg — like most Americans — doesn’t know what the First Amendment is for
Masha Gessen writes: What is the First Amendment for? I ask my students this every year. Every year, several people quickly respond that the First Amendment guarantees Americans the right to speak without restriction. True, I say, but what is it for? It’s so that Congress doesn’t pass a law that would limit the right to free speech, someone often says. Another might add that, in fact, the government does place some limits on free speech—you can’t shout “fire” in…