Now celebrating its 21st year, the Onion has fine published consistently funny -- sometimes caustic -- satire of political figures, the media and social convention.

All artists carry stories -- stories shaped by personal histories, cultures and family experiences. Fifteen of them are brought together at the Kohler Arts Center in "American Story," an exhibition of artists with diverse backgrounds.

It's December 2001 and a young midwestern college student named Tassie Keltjin is about to get a more worldly education when she accepts a part-time job as a nanny to the adopted child of a sophisticated Middle-aged couple. What happens…