"The authors of the GOP memo would like the country to believe that the investigation began with Christopher Steele and the dossier, and if they can just discredit Mr. Steele, they can make the whole investigation go away regardless of the Russians' interference in our election or the role of the Trump campaign in that interference," Democrats on the House Intelligence Committee wrote in response to the memo, which was put together by the committee's Republican chairman, Devin Nunes, Calif.