Hollywood The exiguous-metropolis film rental braces for an unexpected threat

NEW YORK — The Callicoon Theater is a single-screen cinema along the banks of the Delaware River in the Catskills, in rural upstate New York. It has an art-deco facade and 380 seats. “We never sell out,” its box-office phone line promises. There’s not another theater for 30 miles. Kristina Smith last year moved up…