The scene in a Wal-Mart store in Alexandria, Va. Cities are a key growth area for retailers since suburbs are already saturated with big-box stores. AP hide caption

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Mortgage interest rates have spiked recently, causing unease among potential homebuyers. hide caption

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Postmaster General Patrick Donahoe, in 2011, appears before a Senate committee looking into the Postal Service's economic troubles. J. Scott Applewhite/AP hide caption

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Home values have been rising in recent months, but mortgage rates have taken a rapid turn upward as well. Some investors are worried that the housing recovery may stall if mortgage rates jump too quickly. Gene J. Puskar/AP hide caption

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President Kennedy passes out pens on June 10, 1963, after signing the Equal Pay Act. Harvey Georges/AP hide caption

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Retired Gen. David Petraeus, former CIA chief, speaks at the University of Southern California in Los Angeles on March 26. Petraeus announced Thursday that he was joining the private equity firm KKR. Reed Saxon/AP hide caption

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For decades, Hill County Farms, also known as Henry's Turkey Service, housed a group of mentally disabled men in squalor in this former schoolhouse in Atalissa, Iowa. The EEOC won a judgment against the company for exploiting the men. John Schultz/Quad-City Times/ hide caption

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