Alexander Lavrentiev, the Russian special envoy to Syria, indicated Aug. 1 that after they had helped the Syrian government overcome pockets of rebel and Islamic State resistance near the Israeli-Syrian border, Iranian forces would be relocating their heavy weapons at least 85 kilometers (52.8 miles) from the Israeli-controlled Golan Heights. But the announcement did little to mollify Israel, which has called the buffer zone insufficient and continues to push Russia to pressure Iran into leaving Syria altogether....