“On Monday, I divided the United States into 50 states of equal population. On Tuesday, I rearranged the nation’s boundaries based on where baseball players were born. Today, I’ll be looking at a topic that’s dear to my heart, if not my heart health: regional fast food.”  

Not surprisingly, Rhode Island in right in the heart of the territory  with the highest concentration of Dunkin’ Donuts.  Why are some franchise more successful in particular regions. 

Source: www.slate.com