The longtime activist and writer Sarah Schulman on why now is the time to stand up to people you oppose.

© Illustration by The New York Times; photograph by FG Trade Latin/Getty

The longtime activist and writer Sarah Schulman on why now is the time to stand up to people you oppose.

The “free speech” champion Mark Zuckerberg tries to shut up a critic.

“Careless People,” a memoir by a former Facebook executive, portrays feckless company leaders cozying up to authoritarian regimes.