Americans increasingly believe social media companies like Facebook (FB) and Twitter (TWTR) are censoring political speech despite a lack of any hard evidence of such bias. According to a recent survey of 4,708 U.S. adults conducted by the Pew Research Center between June 16 and June 22, 73% of respondents say that it is somewhat or very likely that social media sites purposely censor political viewpoints they find objectionable. The survey results come at a fraught time for social networks like Twitter and Facebook as they attempt to clamp down on misinformation and foreign interference ahead of the 2020 elections,...