Sumner Redstone's iron grip on power is nothing new. Facebook, Alibaba, Amazon, take note. While Viacom's raging succession battle surrounding owner Sumner Redstone is as compelling as the company's TV dramas, the script is not new.
Viacom Directors Add Redstone's Great-Grandchildren to Suit
New York Times
Viacom CEO Dauman seeks trial by end-Sept over Redstone trust