JERUSALEM, Aug. 20 -- The Gaza agreement has never had an answer to one question: what makes Israel move. On Monday it got one, and it is not diplomatic. It is October 27.

Jared Kushner spent more than four hours with Benjamin Netanyahu pressing him to back the American plan and, in the phrasing attributed to him, not to create obstacles. Netanyahu's response, according to an Israeli source cited by CNN, was that adhering to the plan before Israel's Knesset elections would be problematic, that it could damage him with his own base, and that he was not prepared to make concessions on Gaza until the vote. Hamas, he said, should move first. Tony Blair and Nickolay Mladenov, who had sat with Kushner opposite Hamas in Egypt the day before, we...