They rejected peace on the"principle of the Israeli return to the Green line". Maybe you should give your advice to them and especially Hamas,the elected government of Palestine,who are NOT interested in ANY peace just the ethnically cleansed"Islamic republic of Palestine from the river to the sea". It is their CURRENT agenda in writing so you need to lay down the law to them. I'am sure they are waiting to hear from an expert in Estonia..
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: Fayad: No point in goodwill gestures without negotiations