A camera is mounted on a building near Temple University in Philadelphia. Humberto Fernandini, with the company that owns the building, says the owners plan to register their cameras for the police department's new program. Elizabeth Fiedler for NPR hide caption

itoggle caption Elizabeth Fiedler for NPR

A Liberian immigrant picks African peppers on the Bowling family farm in Charles County, Md. It's one of a handful of farms experimenting with growing African produce to cater to the D.C. region's large African immigrant community. Marina Dominguez/NPR hide caption

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This June 2, 2010, file photo shows the AT&T logo in Washington, D.C. The U.S. Justice Department will seek to block AT&T's proposed $39 billion acquisition of T-Mobile. Etienne Franchi/AFP/Getty Images hide caption

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Deputy Defense Secretary William Lynn (left) presents Gen. David Petraeus with an American flag at his retirement ceremony after 37 years in the Army, in Arlington, Va., on Wednesday. Petraeus will now lead the CIA. Saul Loeb/AFP/Getty Images hide caption

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Campaign posters are seen in a snowbank outside a polling place in January 2008 in Manchester, N.H. Mario Tama/Getty Images hide caption

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Employees at Barber's Farm in Middleburgh, N.Y., shovel muddy tomatoes left in the wake of flooding from Hurricane Irene. Jeff Brady/NPR hide caption

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A newspaper left by visitors on May 2 in Shanksville, Pa., at the fence surrounding the crash site of Flight 93. The chairmen of the 9/11 Commission say the U.S. has improved security over the past decade, but gaps in the system remain. Jeff Swensen/Getty Images hide caption

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