Monday was the last day of a month-long public comment period set up by the USDA.

Should the public know how much stores take in through federal food stamps?

Wal-mart, food stamps, and listener responses.

Watch this animation from Slate's video team to find out.

Walmart donates billions to anti-hunger initiatives. Some of those efforts benefit its own employees.

As real wages continue to decline, the food stamp economy keeps booming.

The biggest winners of the SNAP economy are the ones the government won’t tell you about.