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Sumner Redstone to Testify in Competency Trial

Sumner Redstone in  2013 Sumner Redstone in  2013
Sumner Redstone in 2013 Photograph by Frazer Harrison—Getty Images

Attorneys for Sumner Redstone’s ex-girlfriend say they should be allowed to depose the 92-year-old media mogul because Redstone plans to testify at an upcoming trial over his mental capacity, according to court filings made on Wednesday.