Chief Palestinian negotiator Saeb Erekat (farthest to the left), with Israeli and Palestinian officials as Israeli Prime Minister Ehud Barak (left) and PLO Chairman Yasser Arafat (right) shake hands before a summit at the Erez Crossing in the Gaza Strip in 2000.

Palestinian leader Yasser Arafat, right, shakes hands with Israeli Prime Minister Ehud Barak before a summit at the Erez Crossing in the Gaza Strip Thursday, Feb. 3, 2000. An Israeli-Palestinian peace summit ended in sharp disagreement Thursday over the scope of a West Bank troop pullback, the U.S. role in the negotiations and a timetable for a final peace treaty. (AP Photo/Adel Hana)