What in the world is happening to Chipotle

New York

CHIPOTLE became the darling of the fast-food world by attracting millennials, blue-collar workers and even whole families with its promise of high-quality, sustainably sourced Mexican cuisine. But a series of food poisonings and other challenges are threatening its reputation and underscoring the difficulty of meeting the needs of a generation of diners who increasingly demand inexpensive food that is safe, natural and nutritious.

The latest crisis began last month when Chipotle closed …