the council says almost 5,000 people have been killed during the four-week siege, including more than 200 children. russia is so close to taking its prize, but it will be a blackened shell of a city, and it s unlikely the people they re conquering will ever forgive them. phil black, cnn, lviv, western ukraine. phil, thank you very much. we appreciate that. just hours, the next round of talks with ukraine will begin in turkey. after weeks of brutal fighting, what are both sides looking for at the negotiating table? joining me now to discuss this is a former u.s. ambassador to ukraine, john hertz, senior director at the atlantic council s yeur asis center. they are saying zelenskyy would accept non-nuclear status.