https://www.reuters.com/article/us-usa-tech-senate/facebook-twitter-google-ceos-will-defend-law-protecting-tech-platforms-before-u-s-senate-panel-idUSKBN27D1AH >The chief executives of three large tech companies will defend 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.