Primary Outlet: Deutsche Welle (Germany)Broadcast Date: Friday, February 15, 2019 - 2:10pmBroadcast Type: interviewBroadcast Format: televisionScholar: Bier, DavidSubjects: President Trump declaring a national emergency to implement a border wallResearch Area: Immigration and Labor MarketsLink: https://www.cato.org/multimedia/media-highlights-tv/david-bier-discusses-preside…