http://www.washingtonpost.com/blogs/the-switch/wp/2018/04/11/zuckerberg-facebook-hearing-congress-house-testimony/ >[Keep checking this page throughout the day for updated news and analysis of Zuckerberg's testimony to Congress.] >Mark Zuckerberg is set to return to Capitol Hill on Wednesday, where the Facebook chief executive will face off against a second panel of congressional lawmakers ready to grill him about the social network’s privacy practices and efforts to combat disinformation, including Russian propaganda.