Stephen Sackur speaks to the American film-maker and screenwriter Dustin Lance Black, who won an Oscar for the film Milk and has just completed a major series on the struggle for gay rights. It’s fifty years since homosexuality was decriminalised in much of Britain. Since then, the campaign for LGBTQ rights has won landmark victories in many parts of the world. Has the time come to declare a famous victory?

(Photo: Director Dustin Lance Black 2017. Credit: Andrew Toth/Getty Images)