Tobacco heir Johann Rupert is worth $7.5B; he's head of Cartier, Montblanc, Chloe and other luxury goods labels, having returned to the helm of his Richemont holding company after a year-long fly-fishing sabbatical; in a speech to the Financial Times Business of Luxury Summit in Monaco he revealed that he no longer sleeps at night because he is worried that "envy, hatred and social warfare" will destabilize the world. (more…)