Headline: How Congress and President Obama Made Trump’s Wall PossiblePublication Date: Friday, February 15, 2019Primary Source: Lawfare BlogType: op-edFormat: Newspaper (Print)Nature of Mention: authoredScholar: Blackman, JoshResearch Area: Government and PoliticsSubjects: President Trump declaring a national emergency to build the wallAttached Files: (Real) Blackman_Lawfare_TumpObamaWall.pdf