VIDEO: Martin Scorsese's latest step in his 50-plus year career

One of the greatest filmmakers of all time — Martin Scorsese's 50-plus-year career is astonishing. He's been working steadily since the late 1960s, pushing the boundaries of what's possible in cinema.

Now 80 years old, he's still directing — and his latest film out this week is a story set during one of America's darkest historical chapters. He spoke to Sarah Ferguson.