1. Is Polarization a Myth?
2. Baker Peter Michael S.Schmidt andMaggieHaberman.2017. “Excerpts from the Times’s Interview with Trump.”New York Times July 19.https://www.nytimes.com/2017/07/19/us/politics/trump-interviewtranscript.html.
3. Barr Bill.2018. “MEMORANDUM to Deputy Attorney General Rod Rosenstein and Asst. Attorney General Steve Engel Re: Mueller’s ‘Obstruction’ Theory.” June 8.https://www.documentcloud.org/documents/5638848-June-2018-Barr-Memo-to-DOJ-Muellers-Obstruction.html.