Why are Mark Zuckerberg and Jack Dorsey testifying in front of the Senate, and what can we expect? Summary The CEOs of Facebook and Twitter are testifying in a congressional hearing today regarding the content moderation practices they have implemented on their social media platforms. In October, the Senate Judiciary Committee voted to subpoena Zuckerberg and Dorsey after their social media companies, Facebook and Twitter, blocked the dissemination of a story about Hunter Biden‘s ties to Chinese businesspeople. Citing unfair …