London - Martin Indyk, former US special envoy for Israeli-Palestinian negotiation and a key player in US-Israel relations for over 30 years, has said the United States is “not neutral” and that it doesn’t “claim to be neutral” in negotiations with the Palestinians. He also said he does not think “anybody is under any illusion that the United States is in Israel's corner. We don't hide that… We shout it from the rooftops.”