Charming and humorous Superior Donuts, which opens this Saturday at GableStage at the Biltmore, tells the story of Arthur, a former ’60s radical who operates a rundown doughnut shop in uptown Chicago; ...

It might look a lot like Arthur Przybyszewski, the proprietor of a run-down donut shop in a sagging Chicago neighborhood. Arthur and his shop, Superior Donuts, are of the same vintage and equally ...