Rand Paul has been endorsed by Sarah Palin and retiring Sen. Jim Bunning. Stephen Lance Dennee/AP hide caption

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The Census Bureau is benefiting from more educated workers who can't get jobs in their chosen fields because of the sluggish economy. Spencer Platt/Getty Images hide caption

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This Ansel Adams photograph of Acoma Pueblo, N.M., is among those now on display, decades after being commissioned. Ansel Adams/National Archives hide caption

itoggle caption Ansel Adams/National Archives

In February, a man flew his small plane into an Austin, Texas, building that housed several IRS employees. Tony Gutierrez/AP hide caption

itoggle caption Tony Gutierrez/AP

Letter carrier Kevin Pownall delivers mail in Philadelphia. The U.S. Postal Service is considering reducing its six days of home delivery as a cost-saving measure. Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP

According to a study of four jurisdictions that have banned the use of hand-held devices while driving, the laws have not reduced accident rates. iStockphoto.com hide caption

itoggle caption iStockphoto.com

A TSA worker searches a bag at Oakland International Airport. Justin Sullivan/Getty Images hide caption

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Homeland Security Secretary Janet Napolitano (L) testifies during a Senate Commerce, Science and Transportation Hearing. Ann Heisenfelt/Getty Images hide caption

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