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Though all eyes were on the start of formal talks in Vienna this week, the real test will take place in Washington DC where President Joe Biden must muster the political will to tear down the "sanctions wall" his predecessor put in place for the sole purpose of preventing an American return to the nuclear agreement, lest the talks in Vienna . 

With only two months left until the Iranian elections, Washington and Tehran on at least one issue: There is no time for a lengthy negotiation on how the two can return to full compliance with the Joint Comprehensive Plan of Action (the JCPOA). As a result, the talks in Vienna this week skipped any discussions on goodwill gestures and directly cut to the chase: Defining the end game, that is, the various steps each side needs to take to return to the deal. 

Two lists need to be compiled and agreed upon by all sides. One that charts out the measures the Iranians must take, one that spells out America's to-do list. If all goes well, a senior European Union official tells us, the contours of these plans will be ready by the end of this week.

There is no time for a lengthy negotiation on how the two can return to full compliance with the JCPOA

The Iranian checklist is relatively easy. Iran needs to reverse all the measures it has taken since May of 2019 that contradicted the JCPOA. All of its measures - except one - are reversible: Iran nuclear research related to the production of uranium metal in contradiction to the agreement. This knowledge can now not be unlearnt. Tehran recognises this complication though it remains unclear how it will be handled.

The American list is . The sanctions relief process has from the outset been riddled with problems, though, at least initially, most were unintentionally so. Now, however, Biden faces major sanctions hurdles that are entirely intentional: President Donald Trump, in his last two years in office, that explicitly was designed to make any return to the JCPOA by subsequent presidents prohibitive in terms of political cost.

Trump officials that even if potential new targets are already under existing nuclear sanctions, "blacklisting them again under terror powers makes it more difficult to reverse the action." Advocacy organisations supporting Trump's Iran policy were even more explicit. Mark Dubowitz of the Foundation for the Defense of Democracies "build a wall of additional sanctions that a pro-Tehran successor could not easily dismantle."

Will Biden be able to curtail Iran's nuclear ambitions?

In due order, Trump on Iran's central bank, its Ministry of Petroleum, and its state-owned oil company pursuant to terrorism-related authorities. Trump also sanctioned Iran's entire financial sector, as well as virtually all other productive non-oil sectors of Iran's economy on non-nuclear grounds. These so-called "non-nuclear" sanctions impose what is effectively an international boycott on Iran that lacks any modern historical precedent. 

But even if the Trump administration had not been transparent about the intent of these sanctions, reality is that even reimposition of sanctions on genuine non-nuclear grounds would violate the JCPOA. Contrary to popular impressions, the nuclear agreement obligates the United States to "refrain from any policy specifically intended to directly or adversely affect the normalisation of trade and economic relations with Iran inconsistent" with the JCPOA, and to "prevent interference with the realisation of the full benefit by Iran of the [JCPOA's] sanctions lifting."

There is no question that Trump's sanctions violate these basic conditions of the JCPOA.

Whether Biden will clear the minefield Trump has left behind will primarily be determined in Washington, not Vienna

So long as Trump's "sanctions wall" sanctions remain in place, there is no plausible way that the United States can provide effective sanctions relief to warrant Iran's resumption of the nuclear constraints contained in the JCPOA. Put plainly, as European officials privately contend, Trump's sanctions will have to go if the Biden administration intends to have any policy success with respect to Iran. Merely lifting the pre-2018 sanctions would be "empty" and "meaningless," providing Iran no effective sanctions relief.

Whether Biden will clear the minefield Trump has left behind will primarily be determined in Washington, not Vienna. It will require both political will and capital. Republicans in Congress will balk. Some hawkish Democrats will as well. 

But failing to do so, Biden risks war with Iran or acceding to an Iranian nuclear programme on steroids - only delaying and multiplying the political risks to his presidency.

If Biden can summon the political courage to tear down Trump's sanctions wall and call out the bad faith with which they were imposed, then the US will be able to refasten the constraints on Iran's nuclear programme and pave the way for America's from the quagmires of the Middle East. 


Tyler Cullis is Counsel at Ferrari & Associates, P.C., where he specializes in the practice of U.S. economic sanctions and export controls.

Trita Parsi is an award-winning author and the 2010 recipient of the Grawemeyer Award for Ideas Improving World Order. He is an expert on US-Iranian relations, Iranian foreign politics, and the geopolitics of the Middle East. He has authored three books on US foreign policy in the Middle East, with a particular focus on Iran and Israel.

Follow them both on Twitter: @ Have questions or comments? Email us at editorial-english@alaraby.co.uk

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