The PLO charter still calls for the destruction of Israel even after it being dependent on OSLO accord signing. The PLO still tells it people in Arabic it will make a temporary peace in order to destroy Israel in entirety. Hamas/Fatah still have terrorist wings that terrorize the Jewish people and the world still blames Israel for the conflict and demands it hands over it's ancestral homeland called Israel.
Report: Iran's Culture Ministry refuses to allow Barenboim to perform in Tehran (DPA)
from the article: UN urges bold steps to relaunch Mideast peace talks