Michigan Department of Human Services caseworker Sandy Satchel works at the Family Independence Agency in Detroit. In the past few years, welfare caseloads have dropped 2 percent in Michigan while unemployment has risen 54 percent, a trend that's reflected in other states. Carlos Osorio/AP hide caption

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A voter casts a ballot in a Democratic primary on July 12 in Wisconsin, one of seven states to enact voter ID laws this year. Dinesh Ramde/AP hide caption

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John Harrison (right) says his homelessness is in "remission." Pam Fessler/NPR hide caption

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Robert Laws collects supplies from the Tennessee food bank's mobile pantry. Pam Fessler hide caption

itoggle caption Pam Fessler

Steven White (right) helps serve dinner at the Salvation Army soup kitchen. Pam Fessler/NPR hide caption

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Three Cups of Tea author Greg Mortenson, with son Khyber and daughter Amira, sit with students at the Gultori War refugee school in Pakistan. A 60 Minutes report questioned some of the stories Mortenson tells in the book and his charity's use of funds. Deidre Eitel/PR Newswire/AP hide caption

itoggle caption Deidre Eitel/PR Newswire/AP

Homeland Security Secretary Janet Napolitano said a warning will only be issued if there's specific information about a credible threat. Still, on Sunday night her department warned state and local law enforcement to be prepared for the possibility of an attack. Jeff Roberson/AP hide caption

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Philip Doud and his girlfriend, Cathy Espong, sit in their new one-bedroom apartment. They both lost their jobs and were found living on a San Diego sidewalk during a survey of the city's homeless population last fall. The Department of Veterans Affairs helped move the couple into permanent housing as part of a campaign to end homelessness. Pam Fessler /NPR hide caption

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