This story is by Bari Weiss, Abigail Shrier, Michael Shellenberger and Nellie Bowles.
Twitter—the social-media platform founded in 2006 with more than 330 million users that has fueled political uprisings, launched presidential campaigns, and bequeathed to us the 280-character rant—has claimed to be a global “public square,” its mission “to give everyone…
