Israel's leaders have purposely obscured their war aims in Gaza. But there are only two possible endgames: (A) a Lebanon-like cessation of hostilities to be supervised by international observers, or (B) the disintegration of Hamas rule in Gaza. Under tremendous international pressure -- including from an increasingly wobbly U.S. State Department -- the government of Ehud Olmert has begun hinting that it is receptive to a French-Egyptian cease-fire plan... That would be a terrible mistake. It would fail on its own terms. It would have the same elements as the phony peace in Lebanon: ... a cessation of hostilities until...