Freakonomics, a public radio special, is the outcropping of the books and movie of the same name.
University of Chicago economist Steven Levitt and New York Times journalism Stephen Dubner find hidden links between seemingly random topics.
In this episode, we find out if "booing" is an act of verbal vandalism or the last true expression of democracy. Hear Freakonomics on Saturdays at 4 p.m.