Politics Day: Paul Ryan To Retire, Mark Zuckerberg Testifies Before Congress

On this politics day edition of River to River, host Ben Kieffer talks to Hans Hassell, assistant professor of politics at Cornell College and Jim McCormick, professor of political science at Iowa State University about this week's political developments. Stories include Paul Ryan’s planned retirement, the recent chemical attack on Syria, and Mark Zuckerberg's Congress hearings.