The US is doing everything possible, very often illegal and unethical to help Israel stop rightful and commendable resistance in Palestine. Also it is well known that Arab regimes protect the borders of Palestine and persecute all would be Jihadis for the cause of liberating the Holy land. For Israel, this is vital for survivaal and also for arrogance and expansion. But that would not change the outcome, may be just delay it. With or without weapons, Israel has to vanquish the will of Arabs and Muslims to obey God's orders and protect the sacred land. Palestine is different and dying for its liberation is the ultimate victory for the massses. US policy makers and Jewish leaders know these facts well but they try to ignore them.
U.S. Democratic Sen. Bill Nelson announces support for Iran nuclear deal (Haaretz)