https://www.americanprogressaction.org/issues/general/report/2014/11/03/100149/backfire/
"Rather than trying to broaden their base and appeal to a growing and changing electorate, Republican candidates and allied groups have doubled down on narrow, unpopular positions at the expense of their long-term success. The demographic makeup of the United States is shifting to include more of the very voters whom the Republicans have alienated during this cycle."