We are living through the biggest financial bubble in history. According to estimates by The Economist, the total value of residential property in developed economies rose by more than $30 trillion over the past five years. Not only does this dwarf any previous house-price boom, it is larger than the global stock market bubble in the late 1990s or that of the late 1920s.San Diego County resale house prices fell in December by the largest monthly amount in 18 years. The median resale price for existing single-family homes dropped $15,000 from November to December to stand at $550,000, the largest...