If the USA can be an objective observer and truthful reporter of fact, then having the USA participate makes good sense. Unfortunately too many USA politicians choose to be blind to the realities of the occupation. Obama will be under pressure by both Republicans and Democrats to whitewash the atrocious actions of Netanyahu, Lieberman and Israel. There is the risk of Abbas being betrayed by the USA. However knowing this, Abbas should proceed with caution. News releases immediately following each session provdes less opportunities for Israel to skew their failures, affronts and deceits into positive spin.
Lebanese protesters storm environment ministry amid trash crisis (AP)
from the article: Abbas wants a trilateral meeting between aides before direct talks