The common perception among economists is that the current housing bubble will be a relatively short-term affair that should see a return to normal within the next few years. But according to a study by two University of Southern California researchers, a bubble of even more monumental proportions lies just ahead. They call it the "generational housing bubble," and maintain that it will be fueled by the same Baby Boomers who have been bidding up prices since 1970 as they moved higher and higher on the housing ladder. Now, though, the 78 million Boomers are about to enter the years...