The latest course offering from Prager University features Professor Tim Groseclose (who teaches Political Science at UCLA) is a video called "Proving Media Bias":
In this video, Groseclose explains his peer-reviewed study, which quantifies how slanted America’s news media really is. He says that if it were not for the media’s significant leftward bias, Americans would almost certainly vote more conservative. As always, this Prager University course is only be 5 minutes long, yet is packed with valuable information.
News that the media is biased may not come to a shock to anyone, but hearing that argument detailed in the manner that Professor Groseclose has done will make all of us more informed on the subject.