UNITED NATIONS -- A few minutes after President Mahmoud Abbas received a standing ovation from the General Assembly, Palestinian official Mohammad Shtayyeh entered the media centre and gave an impromptu press conference. Speaking forcefully, he said that the Palestinian delegation had not come to the UN to bluff or play a game. "We must go to the Security Council first because the General Assembly cannot grant Palestine UN membership as an independent state," he said. "There will be a vote in the General Assembly after the Security Council approves our application for full membership status." Asked if the Palestinians had…