Midnight Run: Needy Americans lining up to buy food00:32
Wal-Mart has noticed a surge of people lining up outside their stores at midnight at the beginning of every month. The customers aren't trying to cash in on a holiday sale or be the first person to buy the latest tech gadget. They are lining up late at night to use their federal food assistance money the minute their "SNAP" cards are reimbursed. Rock Center's Kate Snow previews her report on the growing number of Americans on food stamps.