https://www.reuters.com/article/us-time-warner-m-a-at-t/att-time-warner-antitrust-trial-set-for-march-idUSKBN1E11DR >The trial to determine if the U.S. Department of Justice can stop AT&T Inc's $85 billion purchase of media company Time Warner Inc will begin on March 19, a federal judge in Washington said during a hearing on Thursday.