FILE - In this Aug. 18, 2006 file photo, students eat lunch at Pleasant View Middle School in Springfield, Tenn. The U.S. government is trying new approaches to get kids to choose healthier foods. (AP Photo/Mark Humphrey, File)

Photo by: MARK HUMPHREY

FILE - In this Aug. 18, 2006 file photo, students eat lunch at Pleasant View Middle School in Springfield, Tenn. The U.S. government is trying new approaches to get kids to choose healthier foods. (AP Photo/Mark Humphrey, File)