Headline: President, known proponent of racist birther conspiracy, 'honors’ MLK DayLink: https://thinkprogress.org/president-known-proponent-of-racist-birther-conspiracy…Publication Date: Monday, January 21, 2019Primary Source: ThinkProgressNon-Cato Author: Luke BarnesType: new media postFormat: New MediaNature of Mention: citedScholar: CatoResearch Area: Immigration and Labor MarketsSubjects: President Trump's rhetoric