Stephen Sackur speaks to Mohammad Umer Daudzai, Afghan president Ashraf Ghani's peace envoy. Just days ago hopes were high that a peace deal to end Afghanistan's long war might be in sight. Talks involving the US, Taliban and Afghan government representatives were to take place in Qatar. But they didn't happen. The Taliban objected to the delegation coming from Kabul - and a familiar cycle of recrimination and violence resumed. What will it take to bring peace to Afghanistan? Show less