Primary Outlet: WBAL (Baltimore MD)Broadcast Date: Tuesday, April 16, 2019 - 8:05amProgram: News Now with Bryan NehmanBroadcast Type: interviewBroadcast Format: radioScholar: Bier, DavidSubjects: sanctuary cities and border protectionsResearch Area: Immigration and Labor MarketsLink: https://www.cato.org/multimedia/media-highlights-radio/david-bier-discusses-sanc…