'Wolf in Cashmere' Bernard Arnault Has a Cutthroat Reputation. In a 'Succession'-Like Drama, He's Eyeing His Replacement — and It Might Not Be Family. The billionaire, once the richest man in the world, is keeping his options open. Previous Article A Stolen Van Gogh Masterpiece Was Just Returned by an Anonymous Tipster—In an Ikea Bag Next Article 4 Productivity Tips from Extreme Athletes That Will Make Your Business Stronger