Americans are being played for fools by Iran—and fooling themselves. There is no case to be made that Iran is not pursuing a nuclear weapons capability. There is no evidence that Iran's decision-makers are willing to stop the nuclear program in exchange for lifting sanctions or anything else. The International Atomic Energy Agency reported on Friday that it has made no progress in its negotiations with Iran and that Iran continues to accelerate its enrichment operations, which are in violation of U.N. Security Council resolutions and agreements with the IAEA.

Yet...