Bassma Kodmani, Member of the negotiating team of the Syrian opposition

Stephen Sackur talks to Bassma Kodmani, a member of the negotiating team of the Syrian opposition. After six years of terrible bloodshed, will 2017 see a dramatic shift in the dynamic of the Syria conflict? Aleppo has fallen to the Assad regime and a ceasefire deal brokered by Russia and Turkey is just about holding. Moscow's dominant role in the diplomatic endgame is now undisputed, with Ankara also playing a pivotal role. Is it time for the moderate rebels to accept their de facto defeat?