Chipotle lost its all-star CEO. But he leaves behind a lot to fix

Order screens. Drive-throughs. Delivery. A digital loyalty program. These are the mainstays of mass-market dining across fast food and fast casual. But before Brian Niccol joined Chipotle in 2018, none of these modern conveniences had been introduced at the beloved burrito chain. And as he departs for his new CEO role at Starbucks, Niccol leaves behind a successful legacy.  He turned around the once-impugnable burrito brand after food scares, and brought it into the digital...