It’s a decade since the MP for Batley and Spen was killed by a far-right extremist. Her sister Kim Leadbeater, who took over her parliamentary seat, explains what lessons are still to be learned. Jo Cox was a Labour MP for Batley and Spen, the place where she had grown up and had known her whole life. She was firmly pro-Europe, a passionate campaigner for social justice - and the mother of two young children, five and three years old. On 16 June 2016, at the height of a toxic Brexit campaign, Jo