Boosting debt bets could lead to a repeat of 2008 financial crisis, CMG Capital Management Group CEO Steve Blumenthal tells Bloomberg. Derivatives that helped inflate the 2007 credit bubble are being remade for a new generation, writes Sridhar Natarajan and Alastair Marsh in Bloomberg yesterday. The story, titled JPMorgan Joins Goldman in Designing Derivatives for a New Generation, quotes industry insiders, including CMG CEO Blumenthal.