 WMED Calais, 89.7. WMEM Presque Isle, 106.1. WMEA Portland, 90.1. WMEP Camden, 90.5. Also online at mainepublic.org. Maine Public was founded by the University of Maine System and Colby Bates and Bowdoin Colleges. Freakonomics is next. This is Freakonomics Radio, the show that explores the hidden side of everything. With your host, Stephen Dubner.