Confusion, concern, conspiracies, celebration. In the hours after Elon Musk took control of Twitter, reaction on the platform ranged from triumph to despair. While no immediate policy changes had been announced by Friday afternoon, that didn't stop users from cheering — or criticizing — what they expected to be a quick embrace of Musk's pledges to cut back on moderation in what he has said is an effort to promote free speech. Conservative personalities on the site began recirculating long-debunked conspiracy theories, including about COVID-19 and the 2020 election, in a tongue-in-cheek attempt to “test” whether Twitter's policies on misinformation...