https://www.reuters.com/article/us-timewarner-m-a-at-t/future-of-tv-in-balance-as-att-time-warner-plead-merger-case-idUSKBN1GY15J >Fans will be glued to the "March Madness" college basketball tournament as the joint owner of rights for the games, Time Warner Inc , goes before a judge on Thursday to defend a proposed takeover by AT&T Inc .