Bush must have decided what the issues are and what their solution is. lmert is not optimistic. Abbas is not optimistic. But the Decider will solve everything. Then, he will tell both sides what the treaty will say and then, when and how it will be enforced. Better make a deal beforehand if you don't want Bush's decision imposed.
UN experts: North Korea continues to evade UN sanctions (AP)
from the article: PA: We may skip summit if a joint statement is not agreed upon