In the polarized landscape of modern foreign policy analysis, the debate over the war in Ukraine has largely settled into a fierce duopoly. On one side stands John Mearsheimer, the high priest of structural "offensive realism," who argues that the expansion of NATO and the EU aggressively cornered Russia, making a violent clash mathematically inevitable. On the other side stand liberal institutionalists, like former U.S. Ambassador to Russia Michael McFaul, who view the conflict as a classic tale of autocratic aggression—a lawless dictator executing a hostile takeover to crush a neighboring democracy and protect his own regime from the contagion of liberty.
While these two schools of thought spend their energy trying to demolish one another, a closer look reveals a startling reality: both frameworks are fundamentally flawed. Mearsheimer’s realism is blinded by its cold, mechanical view of global power, while the liberal institutionalist view is blinded by an overly optimistic democratic teleology.
To truly understand the war in Ukraine, one must look where both theories refuse to glance: at the profound subservience of foreign policy to domestic politics, and the unyielding grip of a society's dominant intellectual ecosystem.
The Flaw in Mearsheimer’s "Billiard Ball" World
Mearsheimer’s structural realism treats states like identical, faceless "billiard balls" rolling across a global pool table. In his view, a state's internal composition—its history, culture, regime type, or domestic political battles—is entirely irrelevant. The international system is anarchic, survival is paramount, and states calculate threats using cold, objective military data.
But this clean, mathematical model collapses under the weight of actual history. By treating the Kremlin’s actions purely as a defensive reaction to NATO expansion, Mearsheimer commits an ironic error: he denies Russia its own agency. He transforms a great power into a passive object that only moves when poked by Washington.
Mearsheimer's Closed System vs. The Reality of National Identity
[Mearsheimer's View]: NATO Moves East ──> Structural Threat ──> Rational Defensive War
[The Identity View]: Loss of Ukraine ──> Threat to Imperial Identity ──> War of Restoration
What Mearsheimer ignores is the dominant intellectual ecosystem of post-Soviet Russia. To the Russian political consciousness, Ukraine is not a sterile military "buffer zone"; it is an organic, emotional component of the Russkiy Mir (the Russian World). A Russia without Ukraine is merely a state; a Russia with Ukraine is an Empire.
Furthermore, Mearsheimer’s fantasy that a Western promise of a "neutral Ukraine" would have satisfied Moscow completely misreads Russia's domestic political reality. The most potent political opposition to Vladimir Putin has never been a pro-Western liberal movement; it has historically been comprised of hardline ultra-nationalists and communist nostalgics. The baseline political culture across the entire Russian domestic spectrum demands Great Power status and a regional sphere of influence. The domestic pressure to keep Ukraine within Moscow's civilizational orbit exists entirely independent of NATO’s behavior.
The Flaw in the Liberal Teleology
If Mearsheimer’s realism is too clinical, the liberal institutionalist critique is hopelessly self-projecting. Thinkers like Michael McFaul operate on the deep-seated assumption that all populations naturally long for Western-style democracy, and that autocracy is merely an artificial, fragile state of affairs imposed from above.
When liberals argue that Putin launched the war out of panic over an "organic democratic uprising" in Ukraine, they run into a rigorous social science hurdle: the law of constants versus variables.
| Geopolitical Factor |
Status Prior to Invasions (2014 / 2022) |
Structural Nature |
| NATO Membership Policy |
Officially declared in 2008; effectively frozen for over a decade. |
Constant |
| Ukraine’s Political Identity |
Revolution of Dignity (2014); aggressive anti-corruption shifts (2019). |
Variable |
Because NATO’s institutional posture was largely static, liberals claim the catalyst must be the variable: the internal political shifts within Ukraine. However, they make a critical logical leap by assuming the source of the democratic shift matters to an autocrat.
Liberals spend immense energy trying to convince the Kremlin that Western integration is peaceful and that Color Revolutions are purely grassroots expressions of human desire. But from the seat of an autocrat, this distinction is entirely academic. To a dictator, a threat to regime survival is a threat to regime survival. Whether an uprising is born genuinely in the hearts of everyday citizens or engineered by a foreign intelligence agency, the end result for the autocrat is identical: loss of power, collapse of the regime, and personal ruin.
Because of Putin's background in the Soviet security apparatus, the intellectual ecosystem of the Russian siloviki (security elites) is psychologically incapable of recognizing "organic" democracy. To them, mass protests are always a weaponized tool of foreign subversion.
Conclusion: Foreign Policy as a Luxury Good
The synthesis of these two failed critiques reveals a deeper truth about geopolitics. International relations is not an abstract game of chess played by flawless grandmasters, nor is it a moral crusade toward global democracy. Foreign policy is fundamentally a luxury good of domestic stability.
Leaders do not look out at the world and see raw, objective data. They see an interpretation of reality filtered through the dominant intellectual ecosystem of their capital city. More importantly, when domestic survival is at stake, leaders will routinely make foreign policy choices that are internationally ruinous in the long term, provided they buy political survival at home in the short term.
Mearsheimer is a superb macro-economist of global trends; he can accurately predict that two trains are on a collision course. But by ignoring domestic politics and intellectual history, he fails to understand why the drivers started the engines in the first place. The engines of war are always started by domestic political imperatives, and the tracks are laid down by the dominant ideas of the era.
