From invading another country to trafficking women for sex, we’re in a world where it can feel like the powerful live by their own set of rules. And being held to account isn’t one of them. Helena Kennedy KC is one of Britain’s most distinguished lawyers, who’s dedicated her professional life to giving a voice to those with the least power. Here she makes a striking assessment of what’s wrong with our system, what needs to change and how the rich and powerful get away with it.