https://www.reuters.com/article/us-usa-facebook-antitrust/u-s-investigators-may-file-antitrust-charges-against-facebook-as-soon-as-november-washington-post-idUSKBN2782XY >Federal and state investigators in the United States are expected to file antitrust charges against social media company Facebook Inc as soon as November, the Washington Post reported on Friday, citing four people familiar with the matter.