(JNS) — Last week, South Africa formally accused Israel before the United Nations’ International Court of Justice of committing “genocide” against the Palestinian people.

While it will be years before any final decision is rendered, the court does have the power to issue an injunction against Israel’s war effort and demand a ceasefire. Of course, it has no ability to enforce any such injunction. That would require action from the U.N. Security Council, where the United States would—one hopes and presumes—exercise its veto power over such a resolution.

As Israeli Prime Minister Benjamin Netanya...