https://www.reuters.com/article/us-usa-senate-tech/facebook-twitter-ceos-to-testify-post-election-u-s-senate-panel-idUSKBN2782OW >The U.S. Senate Judiciary Committee said on Friday the chief executives of Twitter Inc and Facebook Inc will testify before the panel on Nov. 17 over their decision to block stories that made claims about Democratic presidential candidate Joe Biden's son.