https://www.reuters.com/article/us-usa-tech-senate/twitter-google-facebook-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 U.S. Senate panel on Wednesday, while Facebook's Mark Zuckerberg struggled to connect virtually, bringing the hearing to a brief halt.