Postmistress Donna DeWitt at work at the United States Post Office for Isle Au Haut, Maine. She serves about 70 customers. Advocates worry about losing the ‘service’ in becoming a ‘business.’

In this Wednesday, May 6, 2020, photo, Postmistress Donna DeWitt carries mail at the tiny post office on Isle Au Haut, Maine. The post office serves the 70 or so year-round island residents. (AP Photo/Robert F. Bukaty)