by Amin Saikal-CANBERRA \u2013 In response to US President Donald Trump\u2019s policy of maximum pressure, Iran has just seized a second foreign oil tanker. Trump\u2019s approach to bringing Iran\u2019s Islamic regime to heel clearly is not working. If anything, it has created another Middle East flashpoint, undermined transatlantic relations, benefited Russia and China, and struck a serious blow to the Nuclear Non-Proliferation Treaty. Where to from here? Trump\u2019s biggest problem is that the other signatories to the 2015 nuclear agreement \u2013 officially known as the Joint Comprehensive Plan of Action (JCPOA) \u2013 from which he has withdrawn the United States, have remained committed to the deal. Britain, France, Germany, Russia, and China have also opposed Trump\u2019s imposition of crippling economic sanctions on Iran. They are committed to preserving the agreement and to doing everything possible to persuade Iran\u2019s leaders to continue to adhere to it. The European signatories have established a special mechanism to facilitate trade and business with Iran at the risk of US retaliation, while Russia and China have expanded their economic and strategic ties with the Islamic Republic, marking the first time in the history of the Western alliance that America\u2019s European allies have joined forces with its rivals. These powers\u2019 support for Iran is not adequate to compensate for American secondary sanctions, which punish all governments and companies that do business there. But it can soften the sanctions\u2019 effects and strengthen the Iranian regime\u2019s resilience. Iran has already shown its capacity to resist by downing an US spy drone, allegedly targeting six oil tankers, and seizing two more in the vicinity of the Strait of Hormuz. It has thus signaled its ability to choke the Strait, through which one-fifth of the world\u2019s oil passes, despite the US show of force in the Gulf to ensure maritime safety. Trump\u2019s usual confusing policy pronouncements have not helped him either. He has moved from one end of the spectrum, defined by his hawkish Secretary of State Mike Pompeo, National Security Adviser John Bolton, and Israeli Prime Minister Benjamin Netanyahu, to act militarily against Iran, to the other end, where his own \u201cno war\u201d impulses have prevailed. He seeks to use America\u2019s economic power, combined with threats, rather than military might, to achieve his objectives. But when it comes to Iran, he has picked the wrong target. He and his advisers have shown a very poor understanding of the nature of the Iranian regime and have underestimated its reactive capability in a highly complex region. Trump\u2019s team has missed the point that the regime is well entrenched and benefits from a robust regional security structure, stretching from Afghanistan to Lebanon and Yemen. It is ideological in character, but pragmatic when it comes to its survival. The fortunes of the ruling clerics and their supporters are intertwined with the regime\u2019s survival. The highest echelons of the regime still comprise those who are very distrustful of the US, owing to America\u2019s long years of support for the monarchy of Mohammad Reza Shah Pahlavi. Ayatollah Ruhollah Khomeini, who led the 1979 revolution that toppled the Shah, sought to build an Islamic polity with the capacity to withstand its internal and external adversaries. Khomeini died in mid-1989, but his successor, Ayatollah Ali Khamenei, has essentially followed in his footsteps, acting both ideologically and pragmatically in order to ensure the continuity of the Islamic regime. While resentful of the US and its allies, he has been flexible enough, for example, to bless the JCPOA, forge close relations with Russia and China, and maintain reasonable ties with European powers to cope with American pressure. Meanwhile, the Islamic regime has worked intensively to build its soft and hard power, involving a network of sectarian and strategic partners across the region. It has nurtured an asymmetrical warfare strategy in order not only to survive a foreign attack, but to turn it into a devastating regional confrontation. It has lived with US sanctions for most of its 40 years and mastered a variety of methods to circumvent American pressure. This does not mean that the regime is unwilling to renegotiate the JCPOA. It has already signaled a willingness to do so, but only if this does not threaten its domestic and regional security and only if given sufficient economic and strategic incentives to do so. The regime remains factionalized between hardliners and moderates, with the former in control of more levers of power than the latter. But it would be erroneous to assume that in the face of a serious external threat all the factions would not unite, and be supported by a majority of the public, who have historically been known for their fierce nationalist sentiment. The US policy of confronting and containing the regime has not borne fruit. President Barack Obama\u2019s policy of engagement proved to be more productive, as the conclusion of the JCPOA showed. Trump, however, has painted himself into a corner, and now faces the prospect of an unwinnable military confrontation with far-reaching regional and wider implications, including economically devastating effects on oil supplies and prices. Project Syndicate, 2019.