The most widely touted outcome of last week's Geneva talks with Iran was the "agreement in principle" to send approximately one nuclear-weapon's worth of Iran's low enriched uranium (LEU) to Russia for enrichment to 19.75% and fabrication into fuel rods for Tehran's research reactor. President Barack Obama says the deal represents progress, a significant confidence-building measure.

In fact, the agreement constitutes another in the long string of Iranian negotiating victories over the West. Any momentum toward stricter sanctions...