Headline: Walls Can Work, but Not on Their OwnLink: https://www.nationalreview.com/corner/walls-can-work-but-not-on-their-own/Publication Date: Friday, December 6, 2019Primary Source: National ReviewNon-Cato Author: Mark KrikorianType: articleFormat: Newspaper (Print)Nature of Mention: quotedScholar: Bier, DavidResearch Area: Foreign Policy and National SecurityGovernment and PoliticsImmigration and Labor MarketsSubjects: President Trump's border wall