Pedagogy and Homer Economicus

We know economics is all around us, but spotting everyday examples and understanding the intricacies aren't always immediately obvious. Could economics be more effectively taught if the "invisible hand" has four fingers? Is there such thing as a free Duff? We talk with Joshua Hall of West Virginia University about his new book "Homer Economicus: The Simpsons and Economics" and using popular media like The Simpsons to help teach students about economics.