What have almost two decades of American intervention in Afghanistan achieved? HARDtalk’s Stephen Sackur speaks to Kimberley Motley - an American lawyer who went to Kabul in a training capacity and stayed to become a respected litigator fighting for the rights of the abused and the powerless. The death toll in the Afghan conflict far outstrips the losses in Syria and Yemen. But the grim statistics tell only a part of Afghanistan’s story. Does her experience give grounds for hope or despair?