Consider that in the Republican Party there has been a sometimes rancorous, sometimes healthy, sometimes divisive debate between conservatives, moderates, progressives, libertarians, evangelicals, social conservatives / fiscal liberals, social liberals / fiscal conservatives, "me too but slower" socialists, big-government competent managers of the welfare state, the TEA Party, Ron Paul supporters, limited-government constitutionalists, etc. , at least since the Goldwater-Rockefeller showdown in 1964.