There was a bit of good news about the future of public discourse this week. The United States Supreme Court, even though stacked with right-wingers, sounded like it was ready to give the Biden administration the go-ahead to try to persuade social-media platforms not to put out content promoting nonsense about the presidential election, conspiracy theories about the pandemic and other assorted bilge and crackpottery... When other communications revolutions like the printing press, radio, and television came along, they were still largely controlled by the elites. But when the internet came along, regulatory bodies like Canada’s CRTC backed off. It...