What’s next after end of decades-long Keillor-MPR relationship?

“ ‘Prairie Home Companion’ became the basis for the catalog,” said Jack Mitchell, a journalism professor at the University of Wisconsin-Madison who was a longtime executive director of Wisconsin Public Radio.The catalog — in part built on ads Keillor printed on the backs of thank-you posters he sent to listeners — “turned into a goldmine for MPR,” Mitchell added. “That’s where it cleaned up.”