Congress: The Last Line of Defense in the Iran Talks

Congress brought Iran to the table. Now it needs to bring them to a deal.

Now that the United States, its allies and Iran have agreed again to extend nuclear negotiations, the onus is now on Congress to take on the responsibility of making Tehran pay for its continued nuclear intransigence. Iran continues to run out the nuclear clock and treat Western concessions to its demands as permanent—making further diplomatic progress conditional on greater Western “flexibility.”

Obama administration officials are on record committing to a deal that will “dismantle” “a lot” or "significant portions" of Iran’s nuclear infrastructure. But Congress is concerned that the goalposts appear to be moving, with the Obama administration signaling flexibility on a range of issues that will make it more likely that Iran will be left with the infrastructure it needs to build a bomb.

By contrast, Iran’s supreme leader, Ayatollah Ali Khamenei, is standing firm. He has made it clear that any deal Tehran signs must not cross his “red lines,” which include increasing Iran’s uranium enrichment capacity to nineteen times what it is today, and getting full and immediate relief from all international sanctions.

Of course, a negotiated agreement is the preferred solution to peacefully prevent Iran from achieving a nuclear-weapons capacity. But Iran does not appear to be ready to compromise. Moreover, Iran’s record of nuclear deception, role as the leading state sponsor of terrorism and egregious human-rights abuses inspire little confidence in Tehran’s commitment to honor whatever agreement is reached.

Lest we forget, Iran is at the negotiation table because Congress passed tough economic sanctions that hammered its economy, and many of them over the Obama administration’s objections. But Congress’ work is not done. It must ensure that Iran does not retain the essential elements of its nuclear infrastructure to develop a nuclear weapon and continue gaming the international community.

Congress can help achieve this goal by laying out clear parameters for what constitutes an acceptable deal, putting in place “sanctions-in-waiting” to increase American leverage, establishing a strict timeline for the conclusion of a nuclear deal to stop Iran from running out the clock, and ensuring that a final deal is put to a vote in Congress. These ideas already are part of existing legislative proposals.

However, there is even more that Congress can do before any final nuclear deal is reached. The administration reportedly has studied the issue of how the president might suspend the “vast majority” of sanctions after a deal while bypassing Congress. Congress should resist this by designing a “sanctions defense” firewall before any deal is reached. This will signal to the administration how much it can give up in the negotiations and, after a nuclear deal is reached, help the administration enforce it (even if it is not inclined to do so) against Iranian noncompliance.

These measures are likely to play an important role, because senior administration officials may be reticent to respond to evidence of Iranian cheating after a deal is struck, primarily because a deal would make American policy path-dependent—beholden to a deal it made, regardless of subsequent developments. But reticence could also stem from fear that vigorous enforcement could lead to Iranian countermeasures, such as a vigorous resumption of the nuclear program or even taking actions that could upset the balance in an already volatile Middle East. Indeed, reports suggest a growing U.S.-Iranian “détente” and possible American-Iranian coordination to weaken the Islamic State.

The Iranians reportedly are insisting on the immediate lifting of UN sanctions, which President Obama called “nonnegotiable.” Based on press reports, however, it appears that the Obama administration, and perhaps the EU and UN Security Council, are designing a phased-program of sanctions relief, using “suspensions” and snapbacks, where sanctions will be suspended and then reimposed in the event of Iranian noncompliance.

Reimposing sanctions is harder than it sounds. Amongst the United States, EU and UN, there are bound to be significant disputes on the evidence, differing assessments of the seriousness of infractions, fierce debates about the appropriate level of response and concerns about Iranian retaliation.

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