(March 12, 2018, 1:24 PM EDT) -- SAN DIEGO — A California federal on March 7 denied a motion by Frito-Lay North American Inc. and Frito-Lay Inc. to dismiss a class complaint accusing the snack food maker of falsely labeling its “Salt and Vinegar Flavored Potato Chips” as containing only natural ingredients (Barry Allred, et al. v. Frito-Lay North America, Inc., et al., No. 17-1345, S.D. Calif., 2018 U.S. Dist. LEXIS 37617)....