MIDDLEBURY — It was a wonderful plan for the old Stone Mill, an historic downtown building that needed TLC and more active use. Mary Cullinane and Stacey Rainey bought the venerable structure from Middlebury College in late 2018 and spent the next year transforming it into a hub for retail, dining, shared office space and Airbnb lodging. Stone Mill was just coming into its own in March 2020 when the coronavirus pandemic took hold. Emergency health rules put most businesses and hotels temporarily out of comm … (read more)