Professor of Political Science @Swarthmore / Senior Fellow @FPRI / former @theatlantic
Philadelphia, PA
Joined November 2018
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Why is Trump hostile toward left-wing authoritarian states (Venezuela and Cuba) and affable towards right-wing authoritarian states (Russia)?
My latest article in @The_JOP with @JoshuaASchwartz introduces a new IR theory: The Left-Wing Peace & The Right-Wing Peace.
Why do US enemies see the United States as a “paper tiger” that looks strong but is highly vulnerable?
In this new article in Security Studies, co-authored with @HelfontSamuel, we use Iraqi archives to understand why Saddam Hussein underestimated U.S. resolve, and draw lessons for future potential adversaries like China.
tandfonline.com/doi/full/10.…
Dominic Tierney retweeted
Deeply honored to be the Sir Howard Kippenberger Visiting Professor in Strategic Studies for 2026 at @CSS_VUW. Many thanks to @davidcapie for the generous invitation.
I’m looking forward to seeing many friends in New Zealand and discussing US-NZ relations in a few weeks!
I am delighted to announce that the @CSS_VUW Centre for Strategic Studies Sir Howard Kippenberger Visiting Prof in Strategic Studies for 2026 is @ZackCooper from the American Enterprise Institute. His lecture will explore what American foreign policy might look like after Trump.
Dominic Tierney retweeted
Congrats to @JoshuaASchwartz of @CarnegieMellon, winner of the 2026 PWH–@ForeignAffairs Emerging Scholars Policy Prize! 🏆
His essay "Fighting for Credibility Can Destroy It" will be published by Foreign Affairs in the coming months. Read more:
perryworldhouse.upenn.edu/ne…
Dominic Tierney retweeted
Did UK Prime Minister Andy Burnham achieve a balance between pursuing national interests and maintaining a healthy relationship with the United States?
Dominic Tierney details how London created a coalition of states introducing (or considering) sanctions against Israeli settlements without antagonizing the United States. US officials declined to criticize the sanctions decision as the UK kept its partner informed of the plans ahead of time. buff.ly/QP4NP0V
Dominic Tierney retweeted
The Burnham doctrine will likely face stiff challenges at home and abroad. Burnham prefers to dodge difficult trade-offs and promise a win-win: investment in defense will reduce inequality and level up Britain. But given budget deficits, more money for defense means less money for social spending. buff.ly/QP4NP0V
Dominic Tierney retweeted
Senior Fellow @DomTierney outlines the changes to UK foreign policy under Prime Minister Andy Burnham, highlighting prominent attempts to balance British values and the need for hard power.
His principles of foreign and domestic policy being inextricably linked, touting British values while upholding US and European partnerships, and focusing on middle power coalitions are reshaping the UK's position on the world stage, though they bear practical tensions.
Read the full analysis: buff.ly/j7N8pJe.
Dominic Tierney retweeted
🆕 How UK Foreign Policy is Changing Under Andy Burnham by Dominic Tierney. buff.ly/B5weP1f
What is the Andy Burnham doctrine? My latest at the Foreign Policy Research Institute @FPRI @FPRI_Orbis
Dominic Tierney retweeted
The second issue of the relaunched #OrbisJournal is out!
Take a look at the second issue of the #OrbisJournal, focusing on the second nuclear century. The authors' contributions each explore a critical element of the nuclear domain shaping the international system.
Their perspectives vary: they affirm that there are major changes afoot that will shape the future of international politics, but do not necessarily agree on the sources of the emerging challenges and where potential solutions might lie. Nevertheless, their pieces contribute to a debate over just how problematic the coming nuclear landscape might be.
A special thanks to Rachel Whitlark for all her hard work spearheading this issue. @NunnSchoolGT buff.ly/iso1dit
Dominic Tierney retweeted
#APSA -bound colleagues, join @IntSecHarvard to celebrate our 50th anniversary: Friday 4-5:30 pm at the MIT Press booth in the exhibition hall. Drinks and nibbles. @BelferCenter @mitpress @Pearson_ink @APSAtweets
Dominic Tierney retweeted
APSA-going friends, 'International Security' is having a party for our 50th anniversary. Friday, Sept. 4, 4:00-5:30 p.m. at the MIT Press booth in the convention hall at the Hynes Convention Center. Drinks and nibbles. @APSAtweets @IntSecHarvard @mitpress @BelferCenter
Dominic Tierney retweeted
Nearly 700 wounded in action since the Iran war began:
The Defense Casualty Analysis System has been updated for both Operation EPIC FURY and Overseas Ops since 7 July for the first time in 8 days.
Interestingly, the totals for Overseas Operations remain at 4 KIA and 279 WIA while OEF totals added one US Army WIA brining the total to 418 WIA with 14 KIA.
Casualties from both operations combined total 18 KIA and 697 WIA.
