I don't see how Rice is going to convince or dictate to the Israeli leadership to divide Jerusalem, to include the right of return or any of the other "core" issues. For now, Abbas seems to be content in letting Olmert take the lead. And perhaps Olmert knows how far and how much he can pledge. Rice will have to assess that on her next trip.
Islamic State militants blow up ancient Arch of Triumph in Palmyra (Reuters)
from the article: PA: We may skip summit if a joint statement is not agreed upon