The political commentator Steve Richards talks to key insiders about the prime minister's decisions, leadership and diplomacy through the turbulent years since the EU referendum. What does Theresa May think about Brexit? How did she arrive at key decisions? What do those decisions tell us about her personality and style of leadership? How has she run Downing Street and what are her relations with the rest of government, Whitehall, parliament and the EU?

The third part updates the story from towards the end of 2018 to the current day.

Producer: Leala Padmanabhan Show less