The tumultuous events in Bangladesh are not as far away as you might think, and their effects on your well-being go far beyond cheap chic clothing. What we have on a global scale is a massive amount of lending by the poor to the rich. Sounds crazy, doesn't it? To his credit, Fed Chairman Ben Bernanke was one of the first economists to identify this problem, way back in 2005. He called it a global savings glut. It has only gotten worse since then. It is responsible for your low mortgage rate, and also large deficits and high unemployment in the industrialized countries.