This current Israeli government would just scoff at anything close to the 1967 boarder and East Jerusalem being the capital of a Palestinian state, so what is the point to have direct negotiations? Maybe if the US passes these papers along it will seem to Israel that the US actually wants a free viable Palestinian state...and we can't have that! The US just wants to talk about a free Palestinian state while showing "concern" over settlement construction. These talks should be transparent so we can see the failure of the Quartet directly.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: U.S. warns Palestinians: Stop leaking content of Quartet talks