All your base are belong to us. A leaked memo circulating among Senate Democrats contains a host of bonkers authoritarian proposals for regulating digital platforms, purportedly as a way to get tough on Russian bots and fake news. To save American trust in "our institutions, democracy, free press, and markets," it suggests, we need unprecedented and undemocratic government intervention into online press and markets, including "comprehensive (GDPR-like) data protection legislation" of the sort enacted in the E.U. Titled "Potential Policy Proposals for Regulation of Social Media and Technology...