That's not true, Dave. Israel has never negotiated with a declared end game. And it's also not true that anything has been thrown back in their face. If you knew what Israel was offering the Palestinians (and it's pretty obvious that you do not), and if you knew what the Palestinians have already given up, and what they have stated (and shown) that they are willing to give up, you would not be saying that.

Israel doesn't even have a constitution. The reason for this is because they don't want to declare borders. The reason they don't want to declare borders is because they don't want to be limited in their territorial expansion. Israel's leaders have stated that the borders of Israel are the business of the Jewish people and no one else.

That is not a concession. That is a declaration of an intention to expand and dominate.