I'll tell you an explanation that I find commonly overrated and speculative in the extreme: the idea that things that succeed in popular culture do that because they hit the temper of the times.
Cass SunsteinThe middle class is not doing well, and trade policy might have something to do with that, and so someone who is going to be fixated on those things, who has a business background, has some appeal.
Cass SunsteinI talked to George Lucas once, not about Star Wars. Everyone wants to talk to him about Star Wars, and I didn't want to be one of those people. In person - at least on this occasion - he wasn't effervescent and giddy, as the Star Wars movies are. He's more focused.
Cass SunsteinFor the Sanders supporters, there's a thought that the people who are well off are doing really great, and the system is systematically unfair, and that's a very deeply felt and serious objection to the current situation.
Cass Sunstein