The Russians understand that a commitment to "developments on the ground" as the USA proposes simply undermines the potential for a contiguous, viable Palestinian state. "Developments on the ground" is a code phrase which institutionalizes the Jewish settlements as a permanent part of Israel. Palestine needs such support from Russia, the EU, GB and the UN to offset the USA's subtle effort to blindly support Israel at a cost of fragmenting Palestine.
US rally shows support for ex-Marine held by Iran on spying charges (AP)
from the article: U.S. falls short in bid to gain support for Israel's settlement freeze