How have social justice movements evolved in the fifty years after Martin Luther King Jr.'s death? Keeanga-Yamahtta Taylor is an author and professor of African American Studies at Princeton University whose research examines race and public policy. Shaun King is a writer for The Intercept and prominent public activist speaking out against police brutality. They discussed race in America, why movements succeed or fail, Martin Luther King Jr.'s fluctuating reputation during his life and after his death, and the social movements they envision for tomorrow.