Just War for People Who Actually Know What It Means w/ Kevin Carnahan
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In this thought-provoking episode of Theology Nerd Throwdown, host Tripp and guest Kevin Carnahan, a leading ethicist and scholar of just war theory, deliver a rigorous and impassioned critique of how modern political and religious leaders distort Christian moral tradition to justify violence. The conversation begins with sharp satire of public figures like Mike Johnson and Donald Trump, who invoke 'just war' rhetoric while violating its core principles—such as the protection of civilians and adherence to international law. Carnahan traces the evolution of just war theory from Augustine and Aquinas to contemporary Catholic social teaching, emphasizing its demanding ethical rigor and its historical shift toward pacifism. Drawing on pop culture, particularly Lord of the Rings, he warns that the use of military power, even with good intentions, risks moral corruption and complicity in the evil one seeks to destroy. The discussion expands into a broader cultural diagnosis: the erosion of Christian universalism in parts of the American church, the rise of anti-universalist, nationalist ideologies, and the failure of Christian realism to hold power accountable. Carnahan calls for a return to radical discipleship, citing Bonhoeffer’s prayer for Germany’s downfall as a model of moral courage. The episode continues with a powerful reflection on America’s moral identity, arguing that modern liberal values are deeply rooted in Jesus’ teachings on universal love and nonviolence. Carnahan laments the co-optation of Christian authority by far-right movements and champions the prophetic black church tradition and scholars like Bart Ehrman and James Tallarico as vital voices for a bold, accessible Christianity. The final segment contrasts American exceptionalism with the democratic and welfare-oriented realities of Scotland, challenging listeners to reimagine freedom as collective well-being rather than unchecked individualism. The episode closes with a vibrant promotional push for Kevin Carnahan’s digital presence and Theology Beer Camp, a gathering of leading ethicists including Kristen, Gary Dorian, Stacey Floyd Thomas, and Cornell West, underscoring the episode’s blend of serious theology and playful irreverence.
Just war theory is a rigorous, historically grounded ethical tradition requiring deep moral reflection and restraint—not a political tool for justifying violence.
Modern political and religious leaders who invoke 'just war' while targeting civilians or undermining international law are engaging in a dangerous ideological performance, not genuine ethical practice.
The moral foundations of modern Western liberalism are deeply rooted in Christian ethics, especially Jesus’ teachings on universal love and nonviolence.
A growing segment of the American church is using Christian authority to justify oppression and violence, betraying the core values of the Gospel.
The prophetic black church tradition and accessible scholarship offer vital models for a bold, inclusive Christianity that affirms love for all people.
…and 2 more takeaways available in PodZeus
The Confusion Around Just War and Why It Matters
“You're like, maybe I'm missing. I forgot what was going on. And then Speaker Mike Johnson... he too seemed really confused on just war doctrine and then proceeds to say. We should know, don't you know the just war doctrine? Because there's a time under heaven for everything like generating the apocalypse and blowing up infrastructure and bridges.”
The Evolution of Just War Theory: From Augustine to Modern Catholicism
Carnahan traces the development of just war theory from its medieval roots in Thomas Aquinas to its modern, pacifist-leaning evolution in Catholic social teaching. He explains how the Catholic Church, especially after John XXIII’s 1963 encyclical *Pacem in Terris*, redefined just war criteria to make war nearly impossible to justify, emphasizing the dangers of nuclear war and the rise of international institutions.
The Crusader Mentality: How Apocalyptic Thinking Fuels Violence
“I do think that there are people like Hegseth who definitely are, they conceive of themselves as kinds of crusaders. They kind of picture the world as good and evil, and they imagine that they are the good ones. And as soon as you do that, the world is just black and white. And what you're justified in doing, the violence that you're justified in bringing upon the world is pretty much unlimited.”
The Moral Crisis of American Identity
“We're at one of these situations in America where the, not just a failure of the state's a question if you're a Christian, but the failure of the church.”
The Moral Failure of the Church and the Call for Discipleship
“At this point, I'm probably rooting for like Europe and Canada to do something. Although they have their own problems that they're dealing with at this time. I would like to see that liberal order continue, but I don't know what its prospects are for the future.”
“I do think that there are people like Hegseth who definitely are, they conceive of themselves as kinds of crusaders. They kind of picture the world as good and evil, and they imagine that they are the good ones. And as soon as you do that, the world is just black and white. And what you're justified in doing, the violence that you're justified in bringing upon the world is pretty much unlimited.”
“We're at one of these situations in America where the, not just a failure of the state's a question if you're a Christian, but the failure of the church.”
“You're like, maybe I'm missing. I forgot what was going on. And then Speaker Mike Johnson... he too seemed really confused on just war doctrine and then proceeds to say. We should know, don't you know the just war doctrine? Because there's a time under heaven for everything like generating the apocalypse and blowing up infrastructure and bridges.”
Hosts
Guest
Kevin Carnahan
person
Donald Trump
person
Tripp
person
Lord of the Rings
media
Mike Johnson
person
james tallarico
person
Bonhoeffer
person
bart ehrman
person
Scotland
place
Pope Leo
person
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