His company’s stock is diving, the debt is mounting, and the legendary 85-year-old chairman of Viacom and CBS may now be forced to sell off chunks of his empire. But even more painful for Sumner Redstone may be the rift dividing his family. The tale of a latter-day King Lear.

Redstone is 85 and facing a financial meltdown, his position on Wall Street measurably worse than his competitors’.

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