They blame this effect on corporate lobbyists influencing Congressional staff, which I'm sure plays an important role. But it also seems obvious that the corporate-controlled media has a huge stake in maintaining the idea that the US is predominantly conservative.
All told, the study paints a picture of a Congress that is out of touch with the American people -- with perceptions of public opinion skewed rightward by the influence of deep-pocketed lobbyists. The authors say that the best way to combat these distortions is by increased civic participation among the general public.
“Political action can’t end on Election Day,” co-author Matto Mildenberger wrote in a tweet on Thursday. “Citizens need to keep writing, calling and meeting with elected officials and their staffs long after the midterms.”