Nearly a year after two E. coli outbreaks sickened dozens of its customers in several states, Chipotle Mexican Grill Inc. still is trying to convince people that they can trust what’s in their burritos. In a marketing campaign beginning Wednesday, the company proclaimed that it is tracing ingredients back to the farm, blasting pathogens off chorizo with high-powered water jets and requiring restaurant managers to receive food-safety...

Source: Wall Street Journal September 21, 2016 10:30 UTC