The USDA Food Guide Pyramid: Operative or Obsolete?

In 2005, the USDA MyPyramid was introduced as an updated version of 1992 USDA Food Guide Pyramid. While nutrition experts pointed to flaws in the original pyramid, many have found significant flaws in the new food pyramid as well. These graphics have played a key role in nutrition education for American children, but as they continue to be reformatted and reworked, will Americans lose their faith in the USDA?