What's on Greenspan's Mind?
Low mortgage rates make no sense, the Fed chief says. Here's why he's wrong
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Alan Greenspan raised interest rates. Again. Nobody noticed. Again. This has been going on for a year--nine rate boosts, all met with indifference by the financial markets. If the trend lasts much longer, the housing bubble will graduate to a full-size blimp, and there may be no avoiding its fiery crash.