https://www.reuters.com/article/us-usa-tech-senate/twitter-google-ceos-defend-key-internet-law-before-u-s-senate-panel-idUSKBN27D1AH >The chief executives of Twitter and Google defended a law protecting internet companies before a Senate panel on Wednesday, a topic that has split U.S. lawmakers on ways to hold Big Tech accountable for how they moderate content on their platforms.