The Iraq Parallels Come Home to Roost

A prominent American international relations scholar has called the US attack on Iran on 28 February the worst foreign policy error in American history. The historical echo is unmistakable — and deliberately unheeded.

By Monexus Staff Writermena5-minute read26 May 2026☆ Save ↗ Share ⎙ Print

John Mearsheimer, a scholar whose work on great-power politics has shaped a generation of American strategic thought, described the United States' 28 February attack on Iran as the single most consequential foreign policy error in the nation's history — eclipsing even the 2003 Iraq invasion by a considerable margin. The remarks, carried by Iranian state-adjacent outlets including PressTV and Al Alam Arabic on 26 May 2026, landed in a media environment still absorbing the consequences of that strike. Whether one accepts the full weight of the comparison or not, the structural resemblance to 2003 is difficult to dismiss.

The core of the parallel is not difficult to locate. In both cases, the executive branch presented a casus belli built on a contested intelligence picture. In both cases, the operational planning appears to have been premised on a swift, decisive campaign followed by a managed political transition. In both cases, the secondary and tertiary effects — regional escalation, alliance management failures, domestic political rupture — exceeded anything the planning documents had modelled. The difference in 2026 is one of scale and a more structurally fragmented international order, which made the cascading effects harder to absorb.

The Intelligence Problem Is Structural, Not Incidental

The persistent failure of pre-war intelligence assessments to accurately characterise target-state resilience and regional dynamics is not a function of individual analyst incompetence. It is a systemic problem rooted in how intelligence requirements are set. When policymakers signal what conclusion they need, bureaucracies tend to accommodate. The Iraq WMD intelligence failure produced reform frameworks that were celebrated at the time and subsequently cited as evidence that the lesson had been absorbed. The 28 February operation suggests those frameworks had not survived contact with a subsequent administration that had different institutional priors and a different relationship with the intelligence community.

This matters because the error is repeatable. The structural incentives that produced the Iraq intelligence failure — political direction, interagency competition, allied corroboration seeking — have not been excised from the decision-making apparatus. The Iran operation appears to have replicated several of the same failure modes, particularly around the assessment of how regional actors would respond and how quickly the domestic political centre of the target state would either collapse or consolidate.

The Credibility Trap Operates in Both Directions

One counterargument that defenders of the Iran strike advance is that the operation was a response to an existing regional posture that had become intolerable — that the status quo carried its own costs, and that those costs were being externalised onto allies and partners in the region. This is a coherent strategic argument, and it is worth taking seriously rather than dismissing.

The problem is that the credibility logic cuts both ways. A great power that attacks a regional actor and fails to achieve its stated objectives does not simply preserve credibility — it spends it at a significant premium. The costs of an overreaching strike that produces prolonged regional instability, that strains alliances with partners who were not consulted, and that generates domestic political backlash are real and immediate. The reputational benefits of having acted are diffuse and accrue over a longer horizon that may never arrive if the operational outcome is poor.

The 2003 Iraq experience is instructive here. Advocates argued that removing a destabilising regime would reorder the Middle East in America's favour and demonstrate American resolve. The outcome included a decade of insurgency, the empowerment of Iran as the dominant regional arbiter in Baghdad, and a domestic political realignment that constrained American military options for years. The credibility gain was negative.

The Regional Order Is the Real Casualty

What the 28 February operation appears to have disrupted is not simply the US-Iran bilateral relationship — which was already adversarial — but the broader regional equilibrium that had been managed, however imperfectly, through a mixture of deterrence, sanctions, and back-channel communication.

A strike of the scale implied by the Mearsheimer comparison would, if it failed to achieve rapid decisive results, produce exactly the outcome that critics of military overextension have long warned: the opening of a strategic vacuum that regional and extra-regional actors rush to fill. The resulting instability is not neutral. It redounds to the benefit of actors best positioned to operate in chaotic environments — typically those with geographic proximity, ideological commitment, and flexible political structures. These structural realities are not the product of any single administration's choices but of the regional architecture itself.

The sources do not provide independent verification of the scope or outcomes of the 28 February operation. What they provide is a statement by a prominent American scholar that the operation was, in his assessment, a historic error. That assessment is notable precisely because Mearsheimer is not a figure associated with anti-American sentiment or with reflexive opposition to American uses of military power. His framework has historically been skeptical of humanitarian intervention but relatively permissive regarding great-power competition. That such a voice would use language this strong is itself a data point about the gravity of what has occurred.

The Lesson Is Available, Not Learned

There is a well-documented pattern in American foreign policy of serial strategic miscalculation followed by partial reform followed by the emergence of new actors who have not internalized the previous generation's lessons. The institutional memory of Iraq exists in the policy community in the form of books, case studies, and the testimony of officials who served in that period. It does not exist reliably in the institutional structures that shape current decision-making, which is organized around different priorities, different personnel, and different political pressures.

The 28 February operation appears to represent the latest iteration of a pattern. The comparison to Iraq that Mearsheimer draws is not an academic exercise — it is a structural observation about what happens when great powers convince themselves that the political will to act is sufficient substitute for operational and strategic clarity. The consequences of that conviction are now playing out in a region that did not choose to be the laboratory for this experiment.

The question for the policy community is not whether the lesson will eventually be absorbed — history suggests it eventually is — but what the interim cost will be, and whether there exists any mechanism to compress the learning cycle before the next large-scale miscalculation. The sources offer no answer. They record a warning. Whether it is heard is a separate question, and one that the record so far does not resolve in a reassuring direction.

The assessment reflects commentary first reported by Iranian state-adjacent outlets on 26 May 2026. Monexus has not independently verified the scope of the 28 February military operation referenced in this reporting.

Wire provenance

This editorial synthesis draws on the following public wire/social posts:

https://t.me/presstv/89456
https://t.me/alalamarabic/18291
https://t.me/alalamarabic/18290