Are Genetically Engineered Foods "Natural"?

A lawsuit claiming misleading advertising, unfair competition, and breach of express warranty has been filed in California against Frito-Lay chips advertised as “All Natural ingredients” while allegedly “made from genetically modified plants and organisms.”  

Gengo v. Frito-Lay N. Am., Inc., No. 11-10322 (U.S. Dist. Ct., C.D. Cal., filed December 14, 2011).