They did not want peace in 1948, they rejected Clinton Plans in 2000, they rejected Olmert proposal in 2009. Every US president comes up with his plan which does bring peace any closer. The only thing Palestinian wants is to elimination of Israel, if not by war then by so-called right of return. Since obviously Israel will not accept millions of so-called refugees and won't divide its capital, Obama plan whatever it will be is destined to the same end. There is a limit of what Israel can do to save Obama from continuing falling rating.
15 police officers killed in Colombia helicopter crash (Reuters)
from the article: Report: Obama mulls new Mideast peace plan