> An increasing number of CEOs and investors are talking about how popular weight-loss drugs might change the economy and business. Earlier this week, the CEO of the maker of Pringles and Cheez-Its said the company is studying their potential impact on dietary behaviors. “Like everything that potentially impacts our business, we’ll look at it, study it and, if necessary, mitigate,” Steve Cahillane, the CEO of Kellanova, said in an interview.<p>Well that’s just dark.