Peter Riley"The idea of caste as being the foundational principle of so many of the -isms that we experience in our lives — whether it's racism, sexism, homophobia, Islamophobia, anti-Semitism or whatever — the bedrock of all of that is this very fundamental idea that I'm better than you because of this set of random traits and that I will organise society and I will accrue power and status based on that," says DuVernay
