Dr Linah Kilimo ran away from home to escape the cut as a girl. Now a member of parliament in Kenya she has seen the introduction of a law criminalising female genital mutilation (FGM) and is chair of the anti-FGM board. Here she talks about what impact the law is having, the need to continue educating communities, and why despite the focus at the Girl Summit, she worries that the west will be soon get side-tracked