PODCAST: Greek and Spanish protests, 3-D printing buzz

Wednesday, September 26, 2012 - 09:35 Aris Messinis/AFP/Getty Images Demonstrators march on September 26, 2012 in Athens during a 24-hours general strike. Feels like we've seen this before, and yet -- today's angry confrontations and the tens of thousands on the streets in Spain and Greece come at a sensitive time. Spain has signaled it is close to asking for a bailout that will bring some harsh conditions for people used to a big-spending government. And Greece is trying to find a way to adhere to the conditions it has already accepted. New home sales in the U.S. fell a bit in August. But they're still sitting near two-year highs. Prices of new homes hit the highest point in five years. Also new this morning: Applications for mortgages rose last week -- thanks to interest rates plumbing record lows. In recent years Americans have been replacing their knees at an remarkable rate. A new study in the Journal of the American Medical Association finds total knee replacements have more than doubled ...

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