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

itoggle caption Pam Fessler/NPR

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

itoggle caption Jeff Roberson/AP

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

itoggle caption Pam Fessler /NPR

The grand two-story lobby of the Times Square Building boasts marble floors and gold-trimmed ceilings. Common Ground redeveloped the once-dilapidated building into 652 units for low-income and formerly homeless tenants in 1991. David Gilkey/NPR hide caption

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David Ross, also known as Waterman Dave, hands out bottled water and energy drinks from his trunk in San Diego. The 75-year-old retiree has made it his mission to help the homeless — even if it's just with a hug or a kind word. Pam Fessler/NPR hide caption

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Speaker of the House John Boehner (R-OH) returns to his office from the House chamber after votes Feb. 18 on Capitol Hill. The House was debating the continuing resolution (HR 1) that contained Republican-proposed deep cuts in the budget. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images