The Goldman Sachs booth on the floor of the New York Stock Exchange. Chris Hondros/Getty Images hide caption

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Faulty paperwork on millions of outstanding mortgages may push banks to work out alternatives to keep more people in their homes. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

Brothers Michael (left) and Timothy Martens inspect copper machine parts on the factory floor of M&H Engineering. The company has hired back some workers who were laid off during the recession. Chris Arnold/NPR hide caption

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Rachel Keyser and her daughter, Sydney, stand in front of their house in Deerfield, N.H. Since falling prey to a mortgage scam in 2004, Keyser has faced repeated attempts to foreclose on the house. Chris Arnold/NPR hide caption

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The Custom Group trains workers at its school to use many of the latest high-tech machines. But for simple tasks, workers still use some of the original equipment from 1969, when the company started. Chris Arnold /NPR hide caption

itoggle caption Chris Arnold /NPR

A homeowner fills out a form to request mortgage information at a Fannie Mae Mortgage Help Center in Culver City, Calif. Politicians and economists are debating the merits of a grand plan to offer many homeowners the opportunity to refinance. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

Charles Gibson and his wife, Michelle, are helped by a Neighborhood Assistance Corporation of America staff member in getting a reduction on their loan for their Riverside, Calif., home. Some economists are pushing for a plan that would streamline refinancing for all government-backed loans. Damian Dovarganes/AP hide caption

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A house under foreclosure that will soon be auctioned in Las Vegas. The Obama administration's foreclosure prevention efforts were blasted this week in a report from a federal auditor. Mark Ralston/AFP/Getty Images hide caption

itoggle caption Mark Ralston/AFP/Getty Images

John and Nancy Longval are on the verge of getting a loan modification after petitioning their lender, CitiMortgage, for two years. Chris Arnold/NPR hide caption

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Some economists want the government to automatically refinance homeowners to prevent further foreclosures. Joe Raedle/Getty Images hide caption

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The SawStop saw can sense a slight electrical current that human fingers (and hot dogs) create. When it senses the current, the saw triggers a safety brake, which stops the blade in less than 5/1,000th of a second. Courtesy of SawStop hide caption

itoggle caption Courtesy of SawStop