W. Joseph Campbell, a professor in the School of Communication at American University and the author of Lost in a Gallup: Polling Failure in U.S. Presidential Elections, joined us last week to talk about polling - particularly election polling.
When the polls go wrong, as they did in 2016, he says, the problem is failure isn't replicable.
Uh, but wait a minute - aren't we living through the same polling failure - call it 2016 Redux - that we did four years ago?
