Abbas, you are making a BIG mistake by not demanding moratorium on settlement construction and Israeli commitment to 1967 borders. Why do you think that Kerry is so uptight and keeps going back and forth from America to Israel attempting to start the peace process. He is doing so because he knows that the end is near for American influence in the Middle East unless he will be able to get the peace process going again, so what you need to do Abbas, is not back up from your demands, but increase the pressure on America and Israel.
Jordan foreign minister says to speak with Kerry on Israel-Palestinian conflict (Reuters)
from the article: Under pressure from Kerry, Abbas softens preconditions for peace talks