Check out this interesting podcast from Freakonomics on “America’s Hidden Duopoly.”

We all know our political system is “broken” — but what if that’s not true? Some say the Republicans and Democrats constitute a wildly successful industry that has colluded to kill off competition, stifle reform, and drive the country apart. So what are you going to do about it?

http://freakonomics.com/podcast/politics-industry/