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Cover-Up Is an Indispensable Chronicle of American Overreach

A new documentary about the journalist Seymour Hersh uncovers the pathologies of U.S. imperialism

By Leon Hadar | The American Conservative | January 2, 2026

Laura Poitras and Mark Obenhaus’s new film Cover-Up is more than a documentary about the legendary journalist Seymour Hersh—it is an inadvertent chronicle of the pathologies of American empire. As a foreign policy analyst who has long advocated for realist restraint in U.S. international engagement, I find this film both vindicating and deeply troubling. It documents, through one journalist’s extraordinary career, the pattern of deception, overreach, and institutional rot that has characterized American power projection for over half a century.

What makes Hersh’s reporting invaluable from a realist perspective is that it consistently exposed the gap between stated intentions and actual policy outcomes. CIA domestic surveillance, the My Lai massacre, the secret bombing of Cambodia, Abu Ghraib—each revelation demonstrated what realists have long understood: that idealistic rhetoric about spreading democracy and protecting human rights often masks cruder calculations of power, and that unchecked executive authority in foreign affairs inevitably leads to abuse.

The documentary’s treatment of Hersh’s Cambodia reporting is particularly instructive. Here was a case where the American government conducted a massive bombing campaign against a neutral country, killing tens of thousands of civilians, while lying to Congress and the public. This wasn’t an aberration, but the logical consequence of what happens when a superpower faces no effective constraints on its use of force abroad. In exposing the scandal, Hersh also documented how empire actually functions when stripped of its legitimating myths.

Where Cover-Up excels is in revealing the architecture of official deception. Watching archival footage of government officials denying what later became undeniable, one sees the machinery of the national security state at work. These weren’t rogue actors—they were operating within institutional incentives that reward secrecy, punish dissent, and systematically mislead democratic oversight.

From a realist standpoint, this raises fundamental questions about American foreign policy. If our interventions in Vietnam, Iraq, and elsewhere were justified through systematic deception, what does this tell us about the nature of these enterprises? Realism suggests that states act according to their interests, but when those interests must be concealed from the public through elaborate cover-ups, we must question whether these policies serve genuine national interests or merely the institutional imperatives of the national security bureaucracy.

The film’s examination of Hersh’s Abu Ghraib investigation is devastating. What began as a story about individual soldiers torturing prisoners became, through Hersh’s reporting, an indictment of a policy apparatus that had systematically authorized abuse. The documentary shows how torture wasn’t an accident of war. Rather, it was deliberate policy, approved at the highest levels and then denied when exposed.

This validates a core realist insight: hegemonic projects, particularly those involving regime change and nation-building, create perverse incentives that corrupt institutions and individuals. The George W. Bush administration’s Iraq war, launched on false pretenses and executed with imperial hubris, produced precisely the kind of moral catastrophes that realists warned against.

The documentary is less successful in addressing the legitimate controversies surrounding Hersh’s later work, particularly his reporting on Syria and the raid that killed Osama bin Laden. As someone who believes the U.S. should be far less involved in Middle Eastern affairs, I’m sympathetic to questioning official narratives. However, the epistemological challenges of relying on anonymous sources while contradicting extensive documented evidence deserve more rigorous examination than this film provides.

This isn’t to dismiss Hersh’s skepticism toward official accounts—realists should always question the state’s narratives about its foreign adventures. But the documentary would have been strengthened by a more thorough engagement with these critiques. Even iconoclasts must be subject to scrutiny, especially when their reporting has significant geopolitical implications.

What Cover-Up illuminates, perhaps unintentionally, is the deterioration of the institutional ecosystem that made Hersh’s journalism possible. The New Yorker’s willingness to support lengthy investigations, to back reporters against government pressure, and to publish material that angered powerful interests—these conditions were products of a specific historical moment. Today’s fragmented media landscape, where institutional backing has weakened and partisan sorting has intensified, makes such work increasingly difficult.

This matters because realist foreign policy critique depends on investigative journalism to pierce official narratives. Without reporters like Hersh, the gap between rhetoric and reality becomes easier to maintain. The decline of this form of journalism coincides with—and perhaps enables—the persistence of failed policies in Afghanistan, Libya, Syria, and beyond.

The most powerful moments in Cover-Up are the intimate ones: Hersh describing meetings with sources who risked their careers and freedom to expose wrongdoing, the personal toll of challenging the national security establishment, the isolation that comes with being proven right in ways the powerful never forgive. These moments humanize what could otherwise be an abstract discussion of policy failures.

But they also highlight something crucial: Individual courage, while necessary, isn’t sufficient. Hersh exposed My Lai, yet the war continued for years. He revealed CIA abuses, yet the agency faced minimal accountability. He documented Abu Ghraib, yet the architects of the Iraq war faced no consequences. This pattern suggests systemic dysfunction that transcends individual malfeasance.

From a realist perspective, Cover-Up offers a sobering lesson: American foreign policy has been consistently characterized by overreach justified through deception. Whether in Vietnam, Iraq, or countless covert operations, U.S. policymakers have systematically misled the public about the nature, costs, and outcomes of military interventions.

This isn’t a partisan critique—the pattern spans administrations of both parties. It reflects structural features of how American power operates: an imperial presidency with minimal congressional oversight, a national security bureaucracy with institutional interests in threat inflation, and a foreign policy establishment committed to global primacy regardless of costs or consequences.

Hersh’s greatest contribution, documented powerfully in this film, was in providing the empirical record that supports a realist critique of American foreign policy. His reporting demonstrated that idealistic justifications for intervention—spreading democracy, protecting human rights, combating terrorism—often mask more cynical calculations and catastrophic failures.

Cover-Up is indispensable for anyone seeking to understand American foreign policy in the post-World War II era. It’s not a perfect documentary—the pacing occasionally lags, and it’s insufficiently critical of some of Hersh’s more controversial recent work—but its core achievement is significant: It documents how one journalist, through dogged investigation and institutional support, repeatedly exposed truths that powerful interests desperately wanted hidden.

For realists who have long argued for restraint in American foreign policy, this film provides historical validation. The pattern Hersh documented—overreach, deception, failure, cover-up—has repeated itself with depressing regularity. The question is whether contemporary institutions still possess the capacity to hold power accountable in the way that Hersh’s reporting once did.

In an era when American foreign policy debates remain dominated by interventionist assumptions, Cover-Up serves as a crucial reminder of where such thinking leads. It deserves the widest possible audience, particularly among those who shape and influence U.S. foreign policy. The lessons it documents remain urgent and, tragically, largely unlearned.

January 2, 2026 Posted by aletho | Film Review, Militarism, Subjugation - Torture, War Crimes | Cambodia, CIA, Iraq, Middle East, United States, Vietnam | Leave a comment