As a self-proclaimed “socialist” (he really isn’t one), Bernie Sanders naturally believes that the Democratic Party is (or should be) a predominantly working class party; he views issues like racism and sexism as at best, a symptom of the class struggle, and at worst, an unwelcome distraction from it. Hillary Clinton sees the party as a coalition of victims, and gives their separate causes equal billing with the fight against the unequal distribution of wealth.
Who’s right? Historically, that would be Hillary. We’ll see if that remains true over the next few weeks.