Since Haj Amin Al-Husseini declared Mandatory Palestine WAQF, sacred Islamic land for Muslims, not Jews or Christians until "Judgement Day" (Hamas Covenant #11) no Palestinian leader will let Infidel, Israel, own Muslim land. For them Tel-Aviv is "occupied" territory. Abbas cannot go where Arafat did not want to go.
Netanyahu orders more demolitions of terrorists' homes in attempt to crack down on terror (Haaretz)
from the article: Waiting for the Palestinian Godot