Martin Luther King Jr. is a misunderstood icon of US history

Martin Luther King Jr's legacy is being re-examined, perhaps now more than ever. Nearly 60 years after the civil rights leader was killed, what is the truth behind the mythology? In this week's In History, we look at King's legacy in a new documentary.

Peniel E. Joseph argues that however distant we may feel from King’s life, his legacy is everywhere around us. Joseph: King raised a vision for social justice and democracy that remains unfinished. He argues that even more than his ‘I Have a Dream’ speech at the March on Washington for Jobs and Freedom, his vision is still unfinished.