how does a society protect those most vulnerable, particularly children, from exploitation and abuse? having the right laws in place is of course vital, but so is having institutions and professions that are open and accountable. how easy is that to deliver? well, my guest is jasvinder sanghera, whose escape from a forced marriage led to her becoming an advocate for abuse survivors. the church of england hired her to help confront abuses, but she and they are now at odds. what went wrong? and what are the lessons?