A second Subway Sandwich Shop franchisee with multiple stores has filed for bankruptcy in as many months. This time, the Subway franchisee is a multi-store operator in North Dakota. Here’s what you need to know about the bankruptcy and its impact on Subway stores. What’s happened? According to papers submitted to the United States Bankruptcy Court for the District of North Dakota dated July 21, a Subway franchisee by the name of Cherry Butte Com…