Primary Outlet: Colorado Public TelevisionBroadcast Date: Friday, March 30, 2018 - 1:00pmProgram: Colorado Inside OutBroadcast Type: interviewBroadcast Format: televisionScholar: Kopel, David B.Subjects: DIA train flaggersResearch Area: Government and PoliticsLink: https://www.cato.org/multimedia/media-highlights-tv/david-b-kopel-discusses-dia-…