You claim your "right" to the land consists of the fact that your ancestors lived there several thousand years ago. Why should you be treated any better than the Serbs, who claimed the same about Kosovo? The world quite rightly said to them you moved out, somebody else moved, and it's theirs now. Why are you entitled to any different?
UN: Gaza could be 'uninhabitable' by 2020 if trends continue (AP)
from the article: Israelis' state of denial over treatment of Palestinians