People in the conventional food business are smiling as Chipotle Mexican Grill Inc. walks back from its pledge to use “local” ingredients at its restaurants.

People in the conventional food business are smiling as Chipotle Mexican Grill Inc. walks back from its pledge to use “local” ingredients at its restaurants. With its claim of serving “Food with Integrity” (e.g., unlike the competition), Chipotle is viewed by competitors the way Donald Trump is seen by other GOP presidential candidates, as an overly boastful, demeaning player in a crowded field. Following food-borne illness outbreaks since July, the company’s CEO, Steve Ells, is now telling investors that procuring and processing food like h...