Wobegon Boy: A Novel (Softcover) by Garrison Keillor

A promising young man, John Tollefson, last seen leaving home in Lake Wobegon Days, lands in a lovely town in upstate New York, the manager of a public radio station at a college for the academically challenged children of financially gifted parents.  He buys a fine house, finds a wonderful girlfriend named Alida, launches a restaurant, puts on good parties, is presented with radio's coveted Wally Award, and then it dawn on him that his life is empty, without grandeur.  And that grandeur is to be found in the life that his Lutheran parents brought him up to live.  Which leads him, not back to Lake Wobegon, but to New York City.  That's the story of Wobegon Boy.