How social-media platforms dispense justice

EVERY other Tuesday at Facebook, and every Friday at YouTube, executives convene to debate the latest problems with hate speech, misinformation and other disturbing content on their platforms, and decide what should be removed or left alone. In San Bruno, Susan Wojcicki, YouTube's boss, personally oversees the exercise. In Menlo Park, lower-level execs run Facebook's "Content Standards Forum". The forum has become a frequent stop on the company's publicity circuit for journalists. Its working gr...