It's difficult for Israelis to trust Abu Mazen after they were deceived by Arafat. Arafat could deliver a peace treaty with Israel and make it work, but in hindsight, he never wanted to. Abu Mazen, otoh, is too weak to do it. It'll take another generation of Palestinian leaders to do it.
Report: Man detained at Newark Airport after entering secure area, prompting evacuation (Haaretz)
from the article: Here's why Israel must not attack Iran now