It wasn't all that long ago that Ron Paul's views were what the Republican Party was all about. It's only a recent thing that neocons have taken it over. (...but not for much longer.)
Oh its been a fight that has gone back and forth in the party since the days of Teddy R. He was not for liberty, neither was the later Rockefeller, who gave the name to Rockefeller Republican. Both were part of the invasive species known as progressive.