We knew it was just a matter of time... first two paragraphs quoted below...
The tainted wheat gluten that triggered a massive pet food recall also ended up in processing plants that prepare food consumed by people, the U.S. Food and Drug Administration said.
While agency leaders offered assurances Monday that the U.S. food supply remains safe, they said they cannot yet completely rule out contamination of human food by the suspect wheat gluten, which contained melamine, a chemical found in plastics and pesticides.
And here is a great post on the political blog dailykos.com.
Want to know more about wheat gluten?