- U.N. official: 900 children were killed in Syria's civil war last year, including 150 in their schools
- Syria's top diplomat says there's no way President Bashar al-Assad will leave
- A top opposition group has made Assad's departure a requirement
(CNN)The stakes in Geneva couldn't be higher. At best, negotiators will help find a way to end a war that has claimed more than 270,000 lives. At worst, the bloodshed in Syria will continue unabated, with bombs falling and schools and civilians fearing that the next airstrike might kill them.