Just War for People Who Actually Know What It Means w/ Kevin Carnahan

Homebrewed Christianity

Dr. Tripp Fuller | Theologian, Philosopher, Minister

Religion & Spirituality, Christianity

4.6 • 612 Ratings

🗓️ 17 April 2026

⏱️ 129 minutes

🔗️ Recording | iTunes | RSS

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Summary

So many clergy members and theology nerds messaged me after JD Vance told the Pope to dial back the theology talk that I had no choice — I called my friend Kevin Carnahan, co-editor of the Journal of the Society of Christian Ethics and author of an extremely technical book on just war theory that he will tell you not to read. Kevin teaches at Central Methodist University in Missouri and he showed up having apparently thought about all of this in serious depth while the rest of us were just screaming into the void. What followed was one of the best episodes we've done. We traced the actual history of just war theory from Aquinas through John XXIII's Pacem in Terris— which moved the Catholic Church so close to pacifism in practice that nearly no war could satisfy its criteria — through the moment nuclear weapons broke the entire framework, through drone warfare and AI targeting that's broken it further, and right up to a Trump administration that dismantled the actual government office dedicated to minimizing civilian harm and then had the audacity to invoke just war theory as a fig leaf. Kevin's read on the papal conflict: the Pope knows exactly what he's doing and is faithfully representing a tradition that JD Vance passed through on Peter Thiel's E-Z Pass lane. We also got into the three streams of Protestant ethics on war — peace churches, just war thinkers, and crusaders — why Hegseth fits cleanly into the crusader category, why Trump fits none of them, why the Lord of the Rings is the best undergraduate ethics text available, and what Bonhoeffer's prayer for his own country's defeat sounds like in 2026. Tripp eventually brought up Tolkien. Bo noted it took an hour and eleven minutes. Bonhoeffer was invoked. John Cobb got in at the end. The trifecta complete. For those regular Homebrewed Christianity listeners, this is an episode of another weekly podcast ⁠Theology Nerd Throwdown ⁠that I do with Bo Sanders and our (nonviolent) army of theology nerds in the chat. If you enjoy it,⁠ subscribe to the TNT feed⁠ and feel the lure to join live most Friday mornings. ⁠⁠You can WATCH the conversation on YouTube⁠⁠ Kevin Carnahan is Professor of Philosophy and Religion at Central Methodist University in Fayette, Missouri. 📱 ⁠TikTok⁠: 📸 ⁠Instagram⁠: 📬 ⁠Substack⁠ Previous Episodes with Kevin ⁠Transcendence, Immanence, and Why Charlie Kirk is Bad at Theology⁠ ⁠Moral Clarity & the Uneasy Conscience⁠ ⁠A Philosopher & Ethicist Process This Election⁠ Want to hangout with us in person?! ⁠⁠⁠⁠Join 600+ Listeners, 30 theologians, & 30 God-Pods at Theology Beer Camp 2026 this October 8-10 in Kansas City!⁠ ⁠⁠⁠⁠⁠UPCOMING ONLINE CLASS - Theology for Troublemakers: Christian Social Ethics from the Margins⁠⁠⁠⁠⁠⁠⁠ The injustices we face are immense — but they are not unique. Previous generations confronted the same powers with theological conviction and strategic brilliance. The question is whether we'll learn from them. This 6-week online course, led by Dr. Gary Dorrien and Dr. Aaron Stauffer, recovers the radical tradition of Christian social ethics — from Reverdy Ransom and Reinhold Niebuhr to James Cone and the Welfare Rights Movement — and asks what faithfulness demands of us right now. Weekly lectures, live Q&A conversations, guest lecturers, and an online community included. 💰 Donation-based — including $0 🔗⁠⁠⁠⁠⁠⁠⁠ Sign up at HomebrewedClasses.com⁠⁠⁠ This podcast is a ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Homebrewed Christianity ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠production. Follow ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠the Homebrewed Christianity⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Theology Nerd Throwdown⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, & ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠The Rise of Bonhoeffer⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ podcasts for more theological goodness for your earbuds. Join over 75,000 other people by joining our ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Substack - Process This!⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Get instant access to over 50 classes at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.TheologyClass.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Follow the podcast, drop a review⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, send ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠feedback/questions⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ or become a ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠member of the HBC Community⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠. Learn more about your ad choices. Visit megaphone.fm/adchoices

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	...

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