Only three months ago, Defense Minister Moshe Dayan seemed the hardest of Israel's hardliners. Angered by Egypt's movement of missiles along the Suez Canal after the Middle East ceasefire began, Dayan adopted a rocklike stance. He would resign, he said, if Israeli United Nations Ambassador Josef Tekoah were allowed to continue peace discussions with U.N. Mediator Gunnar V. Jarring while the missiles were still in the canal zone.
By last week, however, the consummate hawk was acting like a careful dove. In his speeches, Dayan was saying openly what other Israeli officials...