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Redstone Faces Competency Trial Amid Fight Over Empire

  • Judge says trial will decide among conflicting medical reports
  • Dauman's role as Redstone's health care agent questioned
Sumner Redstone.

Sumner Redstone.

Photographer: Valerie Macon/Getty Images

Sumner Redstone is heading to trial over an ex-girlfriend’s claims he’s mentally incompetent, the result of a court ruling that may intensify competition for control of his $3 billion holdings in Viacom Inc.and CBS Corp. 

A Los Angeles probate judge questioned Monday whether it made sense for the 92-year-old media mogul to have put Viacom Chief Executive Officer Philippe Dauman in charge of his health-care decisions instead of a family member. The judge refused to dismiss allegations by an ex-girlfriend that Redstone, the controlling shareholder of both companies, is incapacitated and manipulated by those around him.