https://www.reuters.com/article/us-time-warner-m-a-at-t-litigation/att-ceo-says-open-to-litigation-on-time-warner-deal-idUSKBN1D92WW >AT&T Inc is ready to litigate if the U.S. Department of Justice blocks its $85.4 billion Time Warner Inc deal, Chief Executive Randall Stephenson said on Thursday.