UPDATE 1-Viacom, AT&T negotiations weigh on possible CBS tie-up -sources
March 22, 2019 at 19:34 PM EDT
Viacom Inc's bitter contract renewal talks with AT&T Inc's DirecTV that could see the blackout of MTV, Nickelodeon and Comedy Central by midnight Friday are weighing on a possible tie-up of CBS and Viacom, sources familiar with the discussions said.