The international community has treated the recent disclosure of another secret uranium enrichment facility in Iran the way it has treated Tehran's previous violations of the Nuclear Non-Proliferation Treaty—with calls for yet more "dialogue." The continued pursuit of fruitless diplomacy at tomorrow's talks between Iran and the five permanent members of the U.N. Security Council plus Germany is based on an incorrect understanding of international law, one that was spearheaded by the Europeans and is now unfortunately shared by the U.S. president.

"Any...