Sumner Redstone (born 1923) built a multi-billion-dollar media empire starting with a string of movie theatres in the Boston area. After fighting successfully for ownership of a little-known cable TV company, Viacom, in 1987, Redstone went on to build...

Peter Bart reports in today's L.A. editions of Variety that Viacom chief Sumner Redstone's relationship with Steven Spielberg and David Geffen is going south. According to his report-which relies on unnamed sources-the duo could walk in 15 months if their relationship with Mr. Redstone,...

Sumner Redstone "played down" reports over the last 24 hours that he had becomed estranged from his daughter and once-presumptive heir, Shari Redstone. But the effect of his words was to confirms suspicions, as Richard Siklos and Geraldine Fabrikant write in The New York Times...

A family rift at Viacom Inc. and CBS Corp. widened Friday as Sumner Redstone, the chairman of both companies, took aim at his daughter Shari, who had been widely expected to succeed him, in a letter faxed to Forbes magazine.The letter came out a day...

YouTube wants to question Comedy Central comedians Jon Stewart and Stephen Colbert as part of its defense against claims that the online video-sharing site illegally shows snippets of sports and entertainment videos.The request came as part of lawsuits brought against YouTube by Viacom Inc., which...