In the extremely unlikely event these talks finally result in a peace treaty, some Israelis would scream and balk, but ultimately the Israeli state would grudgingly have to implement the agreed terms. On the other hand, the PA would likely be unable to have Palestinians agree or implement concessions made to Israel. The peace treaty would not only be stillborn, but likely result in yet another war.
Prime Minister Netanyahu's meeting with security chiefs ends after four hours (haaretz)
from the article: Mitchell to arrive in Mideast amid hopes for renewed peace talks