Politically correct language in public discourse

Politically correct language and speech policing on both sides of the aisle are affecting the political discourse this election cycle. What do people mean when they say something is "politically correct"? And what does it do to the discussion when language policing enters in?

MPR News host Kerri Miller talks with Fordham University political science professor Christina Greer and professor and former dean in the School of Public Policy at the University of Maryland, Donald F. Kettl, about language policing and public policy and how hyper-awareness around language usage stifles meaningful discussion.