And/or neither side has the leadership to achieve it. As for building in Territories, due respect, I still can see no justification unless goal is complete colonization of those territories and eventual de-population of Arabs. I agree w/Obama policy: Stopping the building is THE indicator of at least the beginning of willingness to make a deal.
U.S. sanctions Russia's state-owned arms exporter Rosoboronexport (Reuters)
from the article: U.S.: Return to peace talks not yet in sight