What a precondition! No negotiation! Some of the posts suggest that some forget that since the distant days thousands of years ago a state of Israel was actually established in 1948. For the first 19 years of that state, part of Jerusalem was Jewish, part Arab. As far as the international community is concerned, East Jerusalem is occupied territory.
Rocket alarm sirens sound in southern Israel (Haaretz)
from the article: Netanyahu: We will never divide Jerusalem