Republicans had Barry Gold-water. Democrats now have Elizabeth Warren. What do they have in common? Years back, he pointed the way for his party, and now she’s doing the same thing for hers.
Economic populsm is MUCH more popular now than Goldwater conservatism was in the early 60s:
Here's a demonstration on why the politics of Elizabeth Warren aren't out of the mainstream:
NBC News/Wall Street Journal poll: "By 63% to 35%, Republicans believe that the United States is a country where anyone can succeed, regardless of background. Democrats, by a 69% to 29% margin, disagree saying the widening income gap undermines that idea. Independents side with Democrats, 62% to 34%."