'The Crown': Erin Doherty Explains Why You Don't Know Anything About Princess Anne and Her 'Righteous Rebellion'

The third season of Netflix’s “The Crown” launches next Monday, ushering in a new generation of actors and actresses to play the on-screen versions of the British royal family that fans have grown to love over the drama’s first two installments. And one of those new stars is Erin Doherty, who is portraying Princess Anne, a figure you probably know next to nothing about — seeing as Doherty, a U.K. native, says she knew “literally” nothing about the royal herself. “Honestly, when I...