So-called "outsider art" has been hot for a while now. What the art crowd calls it has changed, from l'art brut to self-taught art to vernacular art.
Whatever you call it, the work of some these artists will join the cream of the contemporary art crop at the Venice Biennale this summer.
One of the largest collections of vernacular art is right here in Wisconsin. Producer Sara Nics talks with the woman who helped create the collection: Ruth Kohler.