October 10, 2023 TEL AVIV — Israel will never be the same after Oct. 7, 2023. The invasion of its territory and slaughter and abduction of its civilians has awakened Israel’s deepest existential fears. Scenes of armed men leading away women, children and the elderly have invariably evoked memories of the Holocaust even among third-generation Israelis who never experienced those horrors. Israel was established 75 years ago as a lesson of that dark era to ensure a safe haven for Jews in an independent state. Israelis’ certitude that their powerful military would keep them safe was shattered on Saturday, when...