The Supreme Court grapples with the regulation of social media platforms. During a lengthy debate, Justice Samuel Alito challenged the comparison of platforms to telegraph companies and newspapers. The laws in question were enacted in 2021 by Republican legislatures in Florida and Texas to address the sidelining of anti-vaccine activists and insurrectionists by sites like Facebook and Twitter. The case has made its way to the Supreme Court, with industry groups arguing that governments cannot constitutionally take control of content moderation from private companies. For more information, visit www.economist.com.