Primary Outlet: Free to Choose MediaBroadcast Date: Wednesday, November 2, 2016 - 1:00pmBroadcast Type: interviewBroadcast Format: televisionScholar: Norberg, JohanSubjects: the effectiveness of building walls to keep out migrantsResearch Area: Immigration and Labor MarketsLink: https://www.cato.org/multimedia/media-highlights-tv/johan-norbert-discusses-effe…