The Folly of Twitter’s Fact-Check Policy

No American, not even the president, has an inherent right to a social-media account. Tech companies such as Facebook and Twitter are free to ban any user they see fit. They’re free to fact-check anyone they want, to create a framework of acceptable speech, and to enforce their policies either consistently or capriciously. They’re free to accuse Donald Trump — and only Trump, if they see fit — of being a liar. They’re free to do all of these things.

Even if they shouldn’t.

Yesterday, after years of pressure from...