The global investment community took notice on Tuesday when billionaire hedge fund manager Seth Klarman issued a stern warning that increasing debt and global tensions could potentially bring on the next worldwide financial crisis. As CNBC reported, the warning in Klarman's annual letter to investors (which CNBC "Squawk Box" co-anchor Andrew Ross Sorkin wrote about in The New York Times) caused a stir at the annual World Economic Forum in Davos, Switzerland.