A "policy paper" put out by the Kerry campaign in which he reiterates his strong and unyielding support for Israel is causing many on the left to question their committment to John Kerry. In the policy paper, which has not been released publicly, Kerry outlines clear, strongly worded positions on several issues important to the American Jewish community. He calls for more forceful action to prevent Iran from gaining nuclear weapons, fully backs Israel's construction of a 425-mile-long barrier between Israel and the Palestinian territories that the paper refers to as ''a security fence," and pledges to work to push...