Or why would America put it forward. Likely Palestinians will not get control of THEIR water resources and will lose more land to settlements and they likely will try to deal East Jerusalem out of the equation as well as compensation for refugees and right of return. Not much incentive for the Palestinians if that is the case. I'd be more inclined to demand the Arab Peace Initiative conditions with no negotiation on them. Alternative if Israel says no is the ICC.
U.S. says working on initiative to de-escalate Syria fighting, with focus on Aleppo (Reuters)
from the article: U.S. seeks to convene 4-way Mideast summit in June