Perhaps inevitably, Britain’s unresolved Brexit agony has led to a general election. The current Parliament could not find a path out of the morass, so the people must now elect a new one. Brexit has exposed profound tensions in Britain’s vaunted system of democracy, raising questions about the relationship between the people, Parliament, Government and the courts. Stephen Sackur speaks to businesswoman Gina Miller, who led two legal challenges to the Government’s Brexit strategy and won both times – how come this non-politician has had such an impact on Britain’s political landscape?

(Photo: Anti-Brexit campaigner Gina Miller leaves the Supreme Court for the result of a hearing on the prorogation of parliament. Credit: EPA)