because he was horrified and disgusted by the initial Hamas attack, as was almost everyone else in America. He also believes that Israel has a right to exist as a state and to defend itself. as the Israeli response has become more and more excessive, he has tried to use his influence to quell the violence. He probably believes that maintaining good relations with Israel increases his chances of decreasing the violence. for all I know he could be right. Do you really think that if we cut off all arms aid to Israel, they would just stop fighting?