What is Bias?

OTM takes up the question posed by Ira Glass last week on our show: Does NPR have a liberal bias? Brooke wrestles first with the (surprisingly hard to define) terms. What is liberal? What is bias? What is NPR? We then hear three different perspectives on NPR’s political leanings from political scientist Daniel Hallin, media researcher Tom Rosenstiel and recent conservative volunteer-listener Sam Negus.